Gold medalist China's Zhao Shuai bites his medal during the awarding ceremony for the the men's -58kg final of Taekwondo at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 17, 2016. (Xinhua/Han Yuqing)
Gold medalist China's Zhao Shuai bites his medal during the awarding ceremony for the the men's -58kg final of Taekwondo at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 17, 2016. (Xinhua/Han Yuqing)
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