Carlos Varela, a Cuban protest singer, poses for a picture at the bar of the historic Hotel Nacional in Havana. Eyder Peralta /NPR hide caption

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Cuban artist Tania Bruguera poses for a photograph near the statue of José Martí in Havana's Revolution Plaza. She was arrested in December for planning a political performance there. Eyder Peralta/NPR hide caption

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Reproduction of a letter to the National Commission of Human Rights from criminals, drug dealers, murderers and kidnappers in "El Altiplano," Mexico's highest-security prison. Ronaldo Schemidt/AFP/Getty Images hide caption

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Yoan Francisco, a rookie for the Havana Industriales, warms up before a game at Havana's Latin American Stadium. Cuban baseball has been facing hard times, but improved diplomatic relations with the U.S. have raised the possibility of increased cooperation and new opportunities. Eyder Peralta/NPR hide caption

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Maria Carmen Castro, 46, of Lima, Peru, is a survivor of MDR-TB — multidrug-resistant tuberculosis. Partners In Health treated her and loaned her money to open a small store. "Because of my TB and thanks to God and Partners In Health, now I have my own business," she says. Jason Beaubien/NPR hide caption

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The Havana studio of prominent artist Kcho is ringed by Cubans with their heads buried in screens. Users say the only other free Internet connection in Havana is at the U.S. Interests Section. Eyder Peralta/NPR hide caption

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Brazilian mothers participate in a demonstration in 2011 for the right to breastfeed in public, in Sao Paulo, Brazil. Eduardo Anizelli/STF/LatinContent/Getty Images hide caption

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