Foto  |  Sukan

Rio 2016 Olympic: Athletes to Watch

US gymnast Simone Biles
US gymnast Simone Biles celebrates
Usain Bolt reacts
Jamaica's Usain Bolt competes
Juan Martin del Potro speaks to Novak Djokovic
Novak Djokovic serves the ball
Jessica Ennis-Hill celebrates
Jessica Ennis-Hill reacts
Monika Brzostek
Florent Manaudou taking part in the Men's 50m Freestyle
Florent Manaudou looks dejected
1/10