China's Xu Chao (L) competes with Callum Skinner of Great Britain during the men's sprint quarterfinal of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016.(Xinhua/Li Ga)
China's Xu Chao (R) competes with Callum Skinner of Great Britain during the men's sprint quarterfinal of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016.(Xinhua/Li Ga)
China's Xu Chao (R) shakes hands with Callum Skinner of Great Britain after the men's sprint quarterfinal of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016.(Xinhua/Li Ga)
