Mack Horton of Australia competes during the men's 1500m freestyle final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Qi Heng)
Mack Horton of Australia competes during the men's 1500m freestyle final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 13, 2016. (Xinhua/Qi Heng)
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