see more

Hong Kong's Cheah Geoffrey competes in a Men's 50m Freestyle heat during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 11, 2016. / AFP / François-Xavier MARIT (Photo credit should read FRANCOIS-XAVIER MARIT/AFP/Getty Images)

Hong Kong's Cheah Geoffrey competes in a Men's 50m Freestyle heat during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 11, 2016.   / AFP / François-Xavier MARIT        (Photo credit should read FRANCOIS-XAVIER MARIT/AFP/Getty Images)