China's Sun Yang reacts after men's 400m freestyle final of swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 6, 2016. Sun Yang won the silver medal with 3 minutes 41.68 seconds.（Xinhua/Liu Dawei）
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China's Sun Yang reacts after men's 400m freestyle final of swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 6, 2016. Sun Yang won the silver medal with 3 minutes 41.68 seconds.（Xinhua/Liu Dawei）
