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Yu Yiting of China competes during the women's 400m medley preliminary at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 28, 2019. (Xinhua/Tao Xiyi)
Yu Yiting of China competes during the women's 400m medley preliminary at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 28, 2019. (Xinhua/Tao Xiyi)