An endangered snow leopard sits inside its enclosure at a zoo in Darjeeling, India.

印度东北部避暑胜地大吉岭的一家动物园中，濒临灭绝的雪豹坐在自己的围栏里。

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The genetic analysis also reveals the tiger began evolving 3.2 million years ago, and its closest living relative is the equally endangered snow leopard.

基因研究显示，虎的演变与进化始于320万年前，与其相距较近的是如今濒临灭绝的雪豹。

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The sanctuaries are home to other globally endangered animals such as the red panda, the snow leopard and clouded leopard.

这里也是小熊猫、雪豹及云豹等全球严重濒危动物的栖息地。

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However, since a critical UN report in 2010 organisers have produced an extensive "green" programme for Sochi 2014, including carbon neutral construction, environmental education, and a plan to reintroduce the endangered snow leopard back into the region.

BBC: Sochi 2014: One year countdown to Winter Olympics start