
China's Zheng Shuyin (L) celebrates with her coach after the women's +67kg semifinal of Taekwondo agaisnt Britain's Bianca Walkden at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. (Xinhua/Han Yuqing)

China's Zheng Shuyin (L) celebrates with her coach after the women's +67kg semifinal of Taekwondo agaisnt Britain's Bianca Walkden at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. (Xinhua/Han Yuqing)