Mexican workers shout slogans during a strike at Volkswagen's plant in Puebla, Mexico, in August. About 9,000 workers went on strike after pay negotiations collapsed, and many employees have since been placed on half-time shifts. Jose Castanares/AFP/Getty Images hide caption

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Police officers patrol the Jacarezinho slum in Rio de Janeiro on Monday. Just two weeks after the city won its bid to host the 2016 Olympic Games, an outburst of drug-related violence left two dozen dead. Felipe Dana/AP hide caption

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Olive Ridley turtles come ashore to lay their eggs on La Escobilla beach in Oaxaca, Mexico, one of the most important nesting grounds in the world for the creatures. Before the Mexican government instituted a ban on their slaughter, Olive Ridley turtles were harvested nearly to extinction. Jason Beaubien/NPR hide caption

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Venezuelan students spend the fifth day of a hunger strike outside the headquarters of the Organization of American States in Caracas, Sept. 28, 2009. Students across the country held a hunger strike in support of Julio Cesar Rivas, a student who was arrested during anti-government demonstration in August. Rivas was later released from prison, though the charges against him have not been dropped. Thomas Coex/AFP/Getty Images hide caption

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Supporters of deposed Honduran President Manuel Zelaya protest Saturday in the El Pedregal neighborhood of Tegucigalpa, the Honduran capital. Jose Cabezas/AFP/Getty Images hide caption

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