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

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 - Preliminary - Men's 200m Individual Medley - Heats - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 10/08/2016. Ryan Lochte (USA) of USA REUTERS/Michael Dalder

2016 Rio Olympics - Swimming - Preliminary - Men's 200m Individual Medley - Heats - Olympic Aquatics Stadium - Rio de Janeiro, Brazil - 10/08/2016. Ryan Lochte (USA) of USA REUTERS/Michael Dalder

2016 Rio Olympics - Cycling Road - Final - Women's Individual Time Trial - Pontal - Rio de Janeiro, Brazil - 10/08/2016. Olga Zabelinskaya (RUS) of Russia competes. REUTERS/Paul Hanna

2016 Rio Olympics - Cycling Road - Victory ceremony - Women's Individual Time Trial Victory ceremony - Pontal - Rio de Janeiro, Brazil - 10/08/2016. Kristin Armstrong (USA) of USA, Olga Zabelinskaya (RUS) of Russia and Anna van der Breggen (NED) of Netherlands pose with their medals on the podium. REUTERS/Eric Gaillard TPX IMAGES OF THE DAY

2016 Rio Olympics - Beach Volleyball - Men's Preliminary - Beach Volleyball Arena - Rio de Janeiro, Brazil - 10/08/2016. Fans watch beach volleyball on a rainy day. REUTERS/Ricardo Moraes

2016 Rio Olympics - Rugby - Preliminary - Men's Pool A Fiji v USA - Deodoro Stadium - Rio de Janeiro, Brazil - 10/08/2016. Perry Baker (USA) of USA is tackled Samisoni Viriviri (FIJ) of Fiji. REUTERS/Phil Noble