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Sakai Masato of Japan competes during the men's 200m butterfly final of the Fina Champions Swim Series in Guangzhou, capital of south China's Guangdong Province, April 27, 2019. (Xinhua/Liu Dawei)
Sakai Masato of Japan competes during the men's 200m butterfly final of the Fina Champions Swim Series in Guangzhou, capital of south China's Guangdong Province, April 27, 2019. (Xinhua/Liu Dawei)