"In this Dec. 11, 2012 photo, musician Maria Rios, 16, holds her violin made of recycled materials before practicing with ""The Orchestra of Instruments Recycled From Cateura"" in Cateura, a vast landfill outside Paraguay's capital of Asuncion, Paraguay. ""My mother signed me up in teacher Chavez's school three years ago. I was really bothered that she hadn't asked me first, but today I'm thankful because she put my name in as someone who wanted to learn violin,"" Maria said. (AP Photo/Jorge Saenz)"
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