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Xu Jiayu of China competes during the men's 100m backstroke final at FINA Championships Swim Series 2020 in Beijing, capital of China, Jan. 18, 2020. (Xinhua/Ju Huanzong)
Xu Jiayu of China competes during the men's 100m backstroke final at FINA Championships Swim Series 2020 in Beijing, capital of China, Jan. 18, 2020. (Xinhua/Ju Huanzong)