RIO DE JANEIRO, BRAZIL - AUGUST 05: Fireworks explode over Maracana stadium with the Mangueira 'favela' community in the foreground during opening ceremonies for the Rio 2016 Olympic Games on August 5, 2016 in Rio de Janeiro, Brazil. The Rio 2016 Olympic Games commenced tonight at the iconic stadium. (Photo by Mario Tama/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 05: Fireworks explode over Maracana stadium with the Mangueira 'favela' community in the foreground during opening ceremonies for the Rio 2016 Olympic Games on August 5, 2016 in Rio de Janeiro, Brazil. The Rio 2016 Olympic Games commenced tonight at the iconic stadium. (Photo by Mario Tama/Getty Images)