Five years on, Rio de Janeiro chases elusive Olympics legacy

              FILE - In this Aug. 21, 2016 file photo, Eduardo Paes, mayor of Rio de Janeiro, left, hugs IOC President Thomas Bach as Tokyo Gov. Yuriko Koike smiles during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil. With the Olympics about to kick off in Tokyo, the prior host is struggling to make good on legacy promises with Rio's Olympic Park venues mostly unused. (AP Photo/David Goldman, File)