American sailor Brad Funk collects garbage during a small clean-up effort to remove rubbish from the...
American sailor Brad Funk collects garbage during a small clean-up effort to remove rubbish from the notoriously dirty Guanabara Bay, ahead of the Rio 2016 Olympic Games in Rio de Janeiro, Brazil July 29, 2016. Funk's girlfriend, British windsurfer Bryony Shaw, will compete for Team GB. REUTERS/Kai Pfaffenbach