An anti-government demonstrator dressed as Batman carries a Brazilian flag at a protest during Brazil's Independence Day celebrations in Rio de Janeiro earlier this month. The protesters called on the government to provide better security, education, health and public services. Ricardo Moraes/Reuters/Landov hide caption

itoggle caption Ricardo Moraes/Reuters/Landov

Dressed in the black and neon orange colors of the new transit police, these women are slated to replace a force of notoriously corrupt traffic cops in Mexico State. Edith Chapin/NPR hide caption

itoggle caption Edith Chapin/NPR

A couple review the work of Brazilian artist Victor Arruda during ArtRio, the International Art Fair of Rio de Janeiro, Brazil, on Sept. 5. Yasuyoshi Chiba/AFP/Getty Images hide caption

itoggle caption Yasuyoshi Chiba/AFP/Getty Images

The wild population of the golden lion tamarin, which lives only in Brazil's Atlantic Forest, fell to just 200 in the 1970s. Conservationists have helped the species rebound, but the monkeys are still at risk as development encroaches on their remaining habitat. Andrea Hsu/NPR hide caption

itoggle caption Andrea Hsu/NPR

Near the town of Petaquillas, Mexico, a man held on to a line Wednesday as he crossed a stream swollen by rain dumped by the storm Manuel. Alejandrino Gonzalez/AP hide caption

itoggle caption Alejandrino Gonzalez/AP