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Hou Yawen (C, front) of China reacts after the women's 5km open water swimming at the 2019 FINA World Championships in Yeosu, South Korea, July 17, 2019. (Xinhua/Tao Xiyi)

Hou Yawen (C, front) of China reacts after the women's 5km open water swimming at the 2019 FINA World Championships in Yeosu, South Korea, July 17, 2019. (Xinhua/Tao Xiyi)