In Acapulco, Mexico, teachers are out on strike at more than a hundred schools because of spiraling violence related to the country's drug war. Here, a child looks at a sign announcing the closure of a school in Acapulco, Sept. 1. Pedro Pardo/AFP/Getty Images hide caption

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Caricatures of the ousted Gadhafi have sprung up all over Tripoli. This image of Gadhafi in chains is on a wall in the capital's Fashlum neighborhood. Jason Beaubien/NPR hide caption

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Musicians and other Libyans who once dared not express themselves are finding a new outlet on the country's newly freed radio stations. Shown here, a recent day at the studios of Radio Libya — once a state-run station — in Tripoli. Jason Beaubien/NPR hide caption

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Large mortar shells sit unguarded, and boxes that once held anti-aircraft missiles and other heavy weapons are strewn about arms depots around Tripoli. Rebels say they've taken some ammunition, but U.S. officials and others express fears the weapons could fall into the wrong hands. Ben Hubbard/AP hide caption

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Matthew VanDyke walks toward his former cell as he takes journalists on a tour of the Abu Salim prison in the Libyan capital, Tripoli, on Tuesday. Francisco Leong/AFP/Getty Images hide caption

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A man pours gas into the tank of his car in Tripoli on Saturday. Residents in the Libyan capital are scrambling to get basic supplies, such as fuel and water. Sergey Ponomarev/AP hide caption

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Mexican federal police man a checkpoint in downtown Juarez, Mexico, on July 13. Despite being hard hit by drug violence, Mexican border cities remain attractive to foreign businesses seeking cheap labor and easy access to the U.S. Jesus Alcazar/AFP/Getty Images hide caption

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