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In this March 17, 2015 photo, Jose Mauricio Oliveira, 41, poses for a portrait in an open-air crack cocaine market, known as a "cracolandia" or crackland, where users can buy crack, and smoke it in plain sight, day or night, in Rio de Janeiro, Brazil. Individually, the epidemic is comprised of people from all walks of life, some of whom once held jobs, some with loving families, who harbored dreams of a better existence, all lost to their addiction.