Alia Atkinson of Jamaica competes during the women's 100m breaststroke final at the FINA Swimming World Cup 2017 in south China's Hong Kong, Sept. 30, 2017. Alia Atkinson claimed the title of the event in 1 minute and 4.09 seconds. (Xinhua/Liu Yun)
Tom Shields of the United States of America competes during the men's 200m butterfly final at the FINA Swimming World Cup 2017 in south China's Hong Kong, Sept. 30, 2017. Tom Shields claimed the title of the event in 1 minute and 49.62 seconds. (Xinhua/Liu Yun)
Russia's Vladimir Morozov (R) competes during the men's 100m medley final at the FINA Swimming World Cup 2017 in south China's Hong Kong, Sept. 30, 2017. Vladimir Morozov claimed the title of the event in 51.64 seconds. (Xinhua/Liu Yun)
Sarah Sjostrom of Sweden competes during the women's 100m butterfly final at the FINA Swimming World Cup 2017 in south China's Hong Kong, Sept. 30, 2017. Sarah Sjostrom claimed the title of the event in 55.32 seconds. (Xinhua/Liu Yun)
