China's Zheng Shuyin celebrates after the women's +67kg final of Taekwondo at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. Zheng Shuyin won the gold medal. (Xinhua/Wang Yuguo)
China's Zheng Shuyin celebrates after the women's +67kg final of Taekwondo at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 20, 2016. Zheng Shuyin won the gold medal. (Xinhua/Wang Yuguo)