Members of the Pilanesberg National Park Anti-Poaching Unit (APU) stand guard as conservationists and police investigate the scene of a rhino poaching incident in South Africa, April 19, 2012. Elephant and rhino poaching is surging, conservationists say, an illegal piece of Asia's scramble for African resources, driven by the growing purchasing power of the region's newly affluent classes. In South Africa, nearly two rhinos a day are being killed to meet demand for the animal's horn, which is worth more than its weight in gold.
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