2016 Rio Olympics - Judo - Refugee Olympic Team Training - Reacao Institute - Rio De Janeiro, Brazil - 28/07/2016. Refugee and judo athlete from the Democratic Republic of Congo Popole Misenga trains during a training session. REUTERS/Nacho Doce

Football Soccer - Galatasaray v Manchester United - Pre Season Friendly - Ullevi Stadium, Gothenburg, Sweden - 30/7/16 Manchester United's Zlatan Ibrahimovic celebrates with team mates after scoring their first goal Action Images via Reuters / Henry Browne Livepic

2016 Rio Olympics - Christ the Redeemer - 30/07/2016. Members of the Olympic refugee team including Yusra Mardini from Syria (C) pose in front of Christ the Redeemer. REUTERS/Kai Pfaffenbach

Sweden's Zlatan Ibrahimovic gestures during their Euro 2016 group G qualification soccer match against Liechtenstein in the Rheinpark stadium in Vaduz, Liechtenstein October 9, 2015. REUTERS/Ruben Sprich/File Photo

Brazilian Olympic team sailor Robert Scheidt sails his laser yacht during a training session in Rio de Janeiro, Brazil, June 22, 2016. REUTERS/Sergio Moraes

2016 Rio Olympics - Copacabana - 29/07/2016. A soldier stands in front of the Olympic beach volley ball venue on Copacabana. REUTERS/Ivan Alvarado

A boat sails in Guanabara Bay where the sailing competitions for the Rio 2016 Olympic Games will be held in Rio de Janeiro, Brazil, April 25, 2016. REUTERS/Ricardo Moraes/File Photo

A municipal garbage clearing boat collects rubbish from the notoriously dirty Guanabara Bay, ahead of the Rio 2016 Olympic Games in Rio de Janeiro, Brazil July 29, 2016. REUTERS/Damir Sagolj