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In this photo taken Sept. 15, 2009, a nurse draws blood from an elderly woman who came to the public hospital for respiratory problems in the mining town of Cerro de Pasco, Peru. Peru's congress passed a bill in 2008 to condemn and relocate Cerro de Pasco, based on U.S. Centers for Disease Control studies that found soil, homes and water saturated with toxic levels of lead. (AP Photo/Martin Mejia)