Anthony Ervin of the United States celebrates after the men's 50m freestyle final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 12, 2016. Anthony Ervin won the gold medal. (Xinhua/Fei Maohua)
Anthony Ervin of the United States celebrates after the men's 50m freestyle final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 12, 2016. Anthony Ervin won the gold medal. (Xinhua/Fei Maohua)