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Sarah Sjostrom of Sweden competes during the women's 100m butterfly final at FINA Swimming World Cup 2018 in Beijing, China, Nov. 4, 2018. (Xinhua/Ju Huanzong)
Sarah Sjostrom of Sweden competes during the women's 100m butterfly final at FINA Swimming World Cup 2018 in Beijing, China, Nov. 4, 2018. (Xinhua/Ju Huanzong)