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Wang Jianjiahe of China competes during the women's 800m freestyle preliminary at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 26, 2019. (Xinhua/Tao Xiyi)
 
 
Wang Jianjiahe of China competes during the women's 800m freestyle preliminary at the Gwangju 2019 FINA World Championships in Gwangju, South Korea, July 26, 2019. (Xinhua/Tao Xiyi)