2016 Rio Olympics - Swimming - Victory Ceremony - Men's 400m Individual Medley Victory Ceremony - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 06/08/2016. Gold medallist Kosuke Hagino (JPN) of Japan poses with silver medallist Chase Kalisz (USA) of USA and bronze medallist Daiya Seto (JPN) of Japan. REUTERS/Michael Dalder

2016 Rio Olympics - Swimming - Victory Ceremony - Women's 4 x 100m Freestyle Relay Victory Ceremony - 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 pose with their medals. REUTERS/Stefan Wermuth

2016 Rio Olympics - Swimming - Victory Ceremony - Men's 400m Freestyle Victory Ceremony - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - Mack Horton (AUS) of Australia, Sun Yang (CHN) of China (PRC) and Gabriele Detti (ITA) of Italy pose with their medals. REUTERS/Dominic Ebenbichler

2016 Rio Olympics - Swimming - Victory Ceremony - Women's 400m Individual Medley Victory Ceremony - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 06/08/2016. Mireia Belmonte (ESP) of Spain, Katinka Hosszu (HUN) of Hungary and Maya DiRado (USA) of USA pose on the podium with their medals. REUTERS/Stefan Wermuth

2016 Rio Olympics - Beach Volleyball - Women's Preliminary - Beach Volleyball Arena - Rio de Janeiro, Brazil - 06/08/2016. Mariafe Artacho (AUS) of Australia in action. REUTERS/Ruben Sprich

2016 Rio Olympics - Beach Volleyball - Women's Preliminary - Beach Volleyball Arena - Rio de Janeiro, Brazil - 06/08/2016. April Ross (USA) of USA and Kerri Walsh (USA) of USA react. REUTERS/Ruben Sprich

2016 Rio Olympics - Beach Volleyball - Women's Preliminary - Beach Volleyball Arena - Rio de Janeiro, Brazil - 06/08/2016. Yue Yuan (CHN) of China (PRC) and Wang Fan (CHN) of China (PRC) react. REUTERS/Ruben Sprich

2016 Rio Olympics - Beach Volleyball - Women's Preliminary - Beach Volleyball Arena - Rio de Janeiro, Brazil - 06/08/2016. Isabelle Forrer (SUI) of Switzerland and Anouk Verge-Depre (SUI) of Switzerland during the game. REUTERS/Ruben Sprich