Maria Cuervo, 41, poses at her home in Bogota March 5 with a photo of herself before a stranger threw acid at her face in 2004. Luis Acosta/AFP/Getty Images hide caption

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Drag queens at an outdoor restaurant in Copacabana incorporate safe sex messages into a show of lip-synced songs and risque jokes. Jason Beaubien/NPR hide caption

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Researchers with HIV medication at a public research lab at the Oswaldo Cruz Foundation, or Fiocruz, in Rio de Janeiro. Jason Beaubien/NPR hide caption

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Venezuelan President Hugo Chavez, seen speaking during a TV program in Caracas on June 15, will compete with former opposition governor Henrique Capriles and other candidates in October's presidential elections. Juan Barreto/AFP/Getty Images hide caption

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Since 1978, Rosa Tarlovsky de Roisinblit has waged a relentless search to find her daughter, Patricia, who was kidnapped by military henchmen and never seen again. Twelve years ago, Roisinblit did find Patricia's son, who is now in his 30s. Silvina Frydlewsky for NPR hide caption

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Former dictator and Gen. Jorge Rafael Videla (left), and former general and member of the military junta Reynaldo Bignone in a Buenos Aires court on Thursday. Juan Mabromata /AFP/Getty Images hide caption

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The TV series Pablo Escobar: Boss of Evil, starring Andres Parra as the eponymous Colombian drug lord, is revisiting a dark period in the country's history. Caracol Television hide caption

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