Ning Zetao(R) of China reacts after the men's 4x100m medley relay final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Li Ga)
Ning Zetao(R) of China reacts after the men's 4x100m medley relay final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Li Ga)