An elderly man lights a candle during a rally against the murder of Brazilian councilwoman and activist Marielle Franco, in Sao Paulo Brazil on March 15, 2018. Brazilians mourned for the Rio de Janeiro councilwoman and outspoken critic of police brutality who was shot in the city center in an assassination-style killing.
Miguel Schincariol /AFP/Getty Images
Davi de Oliveira Moreira, known as "Sereio" (merman in Portuguese), poses in costume at Arpoador Rock on Ipanema Beach in Rio de Janeiro, Brazil, last May.
Yasuyoshi Chiba/AFP/Getty Images
The world's second-biggest garbage dump is in Brasilia. It has been growing since the 1950s, when city planners failed to factor in proper facilities for trash disposal, and now occupies the equivalent of 250 football fields.
Brazil's Olympic Committee chief, Carlos Nuzman, resigned from his post after being arrested on Oct. 5. He's seen here coming to the Brazilian Federal Police building in Rio de Janeiro for questioning on Sept. 5.
Apu Gomes/AFP/Getty Images
Twins Heloisa (left) and Heloa Barbosa, both born with microcephaly, had a one-year birthday party on April 16 in Areia, Brazil. Their mother says she contracted the Zika virus during pregnancy.
Mario Tama/Getty Images