Brazilian President Dilma Rousseff delivers a speech during the opening ceremony of the "NETmundial Global Multistakeholder Meeting on the Future of Internet Governance", on Wednesday in Sao Paulo, Brazil. Nelson Almeida/AFP/Getty Images hide caption

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An officer from Brazilian Police Special Forces took aim Tuesday during the violent protest that broke out in one of Rio de Janeiro's slums. People there blame police for a young man's death, and say authorities are clamping down too hard in advance of this June's World Cup soccer tournament and the 2016 Summer Olympics, both of which will be held in Brazil. Christophe Simon /AFP/Getty Images hide caption

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Maria Victoria Agostinho, 5, walks outside her home in the Vila Autodromo area of Rio. Her family is slated for eviction, along with others in the area, to make way for building projects related to the 2016 Summer Olympics. Lianne Milton for NPR hide caption

itoggle caption Lianne Milton for NPR

Local authorities celebrate a demolition explosion that's part of Rio's Porto Maravilha urbanization project, in Rio de Janeiro, on Nov. 24, 2013. The state- and federal-supported project is part of the city's redevelopment ahead of the 2016 Summer Olympic Games. Pilar Olivares/Reuters /Landov hide caption

itoggle caption Pilar Olivares/Reuters /Landov

Viviane Araujo, a Salguiero samba school queen, performs at a rehearsal for Carnival in Rio de Janeiro. Marcello da Cunha Freire, vice president of the popular samba school, was murdered last month in a drive-by shooting. Lianne Milton for NPR hide caption

itoggle caption Lianne Milton for NPR

Brazilian slave laborers stop their work to listen to a Labor Ministry inspector explain their legal rights, on the Bom Jesus farm in the Amazon basin in 2003. Rickey Rogers/Reuters /Landov hide caption

itoggle caption Rickey Rogers/Reuters /Landov

At the Australian Bat Clinic in Queensland, 15 baby flying foxes (bats) were lined up and ready to be fed Thursday. They were brought there to get out of the extreme heat, which has killed hundreds of thousands of bats. Trish Wimberley/AP hide caption

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Brazilian chef Alex Atala, whose restaurant, D.O.M., is ranked among the top 10 in the world, was named one of the most influential people by Time magazine this year. Cassio Vasconcellos/AP hide caption

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As demand for organic food in Brazil rises, organic produce is getting more affordable. Paula Moura for NPR hide caption

itoggle caption Paula Moura for NPR

Edward Snowden, seen during a video interview with The Guardian. Glenn Greenwald/Laura Poitras /EPA/LANDOV hide caption

itoggle caption Glenn Greenwald/Laura Poitras /EPA/LANDOV

A military plot has been blamed in the death of Brazil's former President Juscelino Kubitschek, seen here at the White House in 1961 speaking with President John F. Kennedy. For years, Kubitschek's death was blamed on a car accident. William Allen/AP hide caption

itoggle caption William Allen/AP