China's Su Bingtian (C) reacts after 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) reacts after 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)
