China's Su Bingtian (C) and Xie Zhenye (1st L) compete during the men's 4X100m relay heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 18, 2016. The Chinese team advanced to final. (Photo/Xinhua)
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China's Su Bingtian (C) and Xie Zhenye (1st L) compete during the men's 4X100m relay heat at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 18, 2016. The Chinese team advanced to final. (Photo/Xinhua)
