2016 Rio Olympics - Volleyball - Final - Men's Bronze Medal Match USA v Russia - Maracanazinho - Rio de Janeiro, Brazil - 21/08/2016. Team captain David Lee (USA) of USA celebrates with his country's flag after winning the match. REUTERS/Dominic Ebenbichler

2016 Rio Olympics - Athletics - Final - Men's Marathon - Sambodromo - Rio de Janeiro, Brazil - 21/08/2016. Eliud Kipchoge (KEN) of Kenya crosses the finish line to win gold REUTERS/Lucy Nicholson

2016 Rio Olympics - Athletics - Final - Men's Marathon - Sambodromo - Rio de Janeiro, Brazil - 21/08/2016. Feyisa Lilesa (ETH) of Ethiopia, Eliud Kipchoge (KEN) of Kenya and Galen Rupp (USA) of USA lead REUTERS/Sergio Moraes

2016 Rio Olympics - Athletics - Final - Men's Marathon - Sambodromo - Rio de Janeiro, Brazil - 21/08/2016. Eliud Kipchoge (KEN) of Kenya competes. REUTERS/Pilar Olivares

2016 Rio Olympics - Athletics - Final - Men's Marathon - Sambodromo - Rio de Janeiro, Brazil - 21/08/2016. Eliud Kipchoge (KEN) of Kenya crosses the finish line to win gold REUTERS/Lucy Nicholson

2016 Rio Olympics - Athletics - Final - Men's Marathon - Sambodromo - Rio de Janeiro, Brazil - 21/08/2016. Eliud Kipchoge (KEN) of Kenya wins the marathon. REUTERS/Sergio Moraes

Tourists from the Middle East play soccer in the Sarajevo Resort in Osenik near Sarajevo, Bosnia and Herzegovina, August 10, 2016. Picture taken August 10, 2016. REUTERS/Dado Ruvic

2016 Rio Olympics - Volleyball - Women's Gold Medal Match China v Serbia - Maracanazinho - Rio de Janeiro, Brazil - 20/08/2016. Tijana Boskovic (SRB) of Serbia celebrates a point. REUTERS/Yves Herman