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Sun Yang of Team China prepares before the Men's 4x200m Freestyle Heats at 14th FINA World Swimming Championships (25m) in Hangzhou, east China's Zhejiang Province, on Dec. 14, 2018. (Xinhua/Wang Lili)
Sun Yang of Team China prepares before the Men's 4x200m Freestyle Heats at 14th FINA World Swimming Championships (25m) in Hangzhou, east China's Zhejiang Province, on Dec. 14, 2018. (Xinhua/Wang Lili)