FILE - In this Tuesday, July 23, 2019 file photo, gold medalist China's Sun Yang, centre, gestures to Britain's bronze medalists Duncan Scott, left, following the medal ceremony in the men's 200m freestyle final at the World Swimming Championships in Gwangju, South Korea. Chinese swimmer Sun Yang has been banned for eight years for breaking anti-doping rules and will miss the 2020 Tokyo Olympics. (AP Photo/Mark Schiefelbein, File)

FILE - In this March 3, 2020, file photo, commuters walk along a sidewalk as a poster celebrating the Tokyo 2020 Olympics is seen in foreground in Tokyo. The tentacles of cancelling the Tokyo Olympics — or postponing or staging it in empty venues — would reach into every corner of the globe, much like the spreading virus that now imperils the opening ceremony on July 24. (AP Photo/Jae C. Hong, File)