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In this July 29, 2012 photo, an artist who calls himself the Urban Maeztro and prefers to remain anonymous for security reasons, works on a black-and-white reproduction of Leonardo da Vinci's "Mona Lisa" holding a pink gun at his studio before hanging it in a public space in Tegucigalpa, Honduras. The 26-year-old graphic artist left his day job at an advertising agency to work on pieces like this one, to encourage Hondurans think about how violent their country has become. (AP Photo/Fernando Antonio)

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