2016 Rio Olympics - Swimming - Final - Women's 4 x 100m Freestyle Relay Final - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 06/08/2016. Emma McKeon (AUS) Brittany Elmslie (AUS) Bronte Campbell (AUS) and Cate Campbell (AUS) of Australia celebrate REUTERS/Stefan Wermuth

2016 Rio Olympics - Basketball - Preliminary - Men's Preliminary Round Group A China v USA - Carioca Arena 1 - Rio de Janeiro, Brazil - 06/08/2016. Ding Yanyuhang (CHN) of China (PRC) shoots past Paul George (USA) of the USA, Draymond Green (USA) of the USA and Demar Derozan (USA) of the USA. REUTERS/Jim Young

2016 Rio Olympics - Basketball - Preliminary - Men's Preliminary Round Group A China v USA - Carioca Arena 1 - Rio de Janeiro, Brazil - 06/08/2016. Demarcus Cousins (USA) of USA, Kevin Durant (USA) of the USA and Li Muhao (CHN) of China (PRC) compete. REUTERS/Lucy Nicholson

2016 Rio Olympics - Basketball - Preliminary - Men's Preliminary Round Group A China v USA - Carioca Arena 1 - Rio de Janeiro, Brazil - 06/08/2016. Kyle Lowry (USA) of the USA passes against Zou Yuchen (CHN) of China (PRC) as Zhou Qi (CHN) of China (PRC) and Li Gen (CHN) of China (PRC) watch. REUTERS/Adrees Latif

2016 Rio Olympics - Basketball - Preliminary - Men's Preliminary Round Group A China v USA - Carioca Arena 1 - Rio de Janeiro, Brazil - 06/08/2016. Deandre Jordan (USA) of the USA and Zou Yuchen (CHN) of China (PRC). REUTERS/Elsa/Pool

2016 Rio Olympics - Basketball - Preliminary - Men's Preliminary Round Group A China v USA - Carioca Arena 1 - Rio de Janeiro, Brazil - 06/08/2016. Demarcus Cousins (USA) of USA shoots past Wang Zhelin (CHN) of China (PRC). REUTERS/Eric Gay/Pool

A television cameraman films two holes in the tent that serves as a media center for the Deodoro Olympic Equestrian Center during the first day of competition of the Rio 2016 Olympic Games, in Rio de Janeiro, Brazil, August 6, 2016. REUTERS/Tony Gentile

2016 Rio Olympics - Swimming - Final - Women's 400m Individual Medley Final - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 06/08/2016. Katinka Hosszu (HUN) of Hungary celebrates after winning. REUTERS/David Gray