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Xu Jiayu of China competes during the men's 50m backstroke final at the FINA Swimming World Cup 2018 in Beijing, China, Nov. 3, 2018. (Xinhua/Ju Huanzong)
Xu Jiayu of China competes during the men's 50m backstroke final at the FINA Swimming World Cup 2018 in Beijing, China, Nov. 3, 2018. (Xinhua/Ju Huanzong)