In this Nov. 14, 2015 photo, an artisanal diamond miner separates large rocks from smaller ones at an abandoned mine in Areinha, Minas Gerais state, Brazil. The mining process can take weeks. First miners excavate the soil. Once the layer of gravel is reached which can be as deep as 50 meters, they extract the rocks with the help of small pumps powered by old truck engines and begin the manual separation process to filter the small rocks, and if lucky, the diamonds. (AP Photo/Felipe Dana)

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