
Kyle Chalmers of Australia celebrates after the men's 100m freestyle final of swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. Kyle Chalmers won the gold medal with 47.58 seconds. (Xinhua/Wang Peng)

Kyle Chalmers of Australia celebrates after the men's 100m freestyle final of swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 10, 2016. Kyle Chalmers won the gold medal with 47.58 seconds. (Xinhua/Wang Peng)
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