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Party’s over: Dubai’s monthslong Expo 202O comes to a close

Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Norah Jones performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma performs The Promise of Sunset during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Christina Aguilera performs during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) World renown US cellist Yo-Yo Ma plays during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the Dubai Expo 2020 closing ceremony in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Switzerland Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People visit the Saudi Arabia Pavilion during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) Artists perform during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) A woman visits France pavilion at the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) People enjoy their time during the last day of the Dubai Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi) A woman relaxes as water pours down the Water Feature at Expo 2020 in Dubai, United Arab Emirates, Thursday, March 31, 2022. The world's fair in Dubai, the pandemic-delayed Expo 2020, closed on Thursday after six months of concerts, conferences and festivities. (AP Photo/Ebrahim Noroozi)