China's Dong Dong competes during the men's final of Trampoline Gymnastics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Dong Dong won the silver medal. (Xinhua/Zheng Huansong)
China's Dong Dong competes during the men's final of Trampoline Gymnastics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. Dong Dong won the silver medal. (Xinhua/Zheng Huansong)