China's Sun Yang competes during 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/Han Yuqing）
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China's Sun Yang competes during 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/Han Yuqing）
