Tiger populations are on the rise, after years of losses, according to a new survey. Here, a tiger cub explores its nature reserve for the first time in England last year. Oli Scarff/AFP/Getty Images hide caption

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'Blood Of The Tiger': Shedding Light On China's Farmed-Tiger Trade
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A Sumatran tiger at the Sumatra Tiger Rescue Center near Bandar Lampung on the southern tip of Sumatra island Beawiharta /Reuters /Landov hide caption

toggle caption Beawiharta /Reuters /Landov