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Xu Jiayu of China competes during the men's 100m backstroke final of FINA Champions Swim Series 2020 in Shenzhen, south China's Guangdong province, Jan. 14, 2020. (Xinhua/Liang Xu)
Xu Jiayu of China competes during the men's 100m backstroke final of FINA Champions Swim Series 2020 in Shenzhen, south China's Guangdong province, Jan. 14, 2020. (Xinhua/Liang Xu)