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Vladimir Morozov of Russia competes during the men's 50m butterfly final at FINA Swimming World Cup 2018 in Beijing, China, Nov. 4, 2018. (Xinhua/Luo Yuan)
Vladimir Morozov of Russia competes during the men's 50m butterfly final at FINA Swimming World Cup 2018 in Beijing, China, Nov. 4, 2018. (Xinhua/Luo Yuan)