In this August 1, 2021, file photo, Olympic volunteer Reimi Kusunoki holds up a sign at the Enoshima yacht harbor during the 2020 Summer Olympics in Fujisawa, Japan. Tokyo Olympians are exercising extraordinary discipline against the coronavirus. They are sealed off in a sanitary bubble that has made competition possible but is also squeezing a lot of fun from their Olympic experience. (Photo by Gregorio Borgia/AP Photo/File)
