A close look at a photo of the Nagqu horse festival in northern Tibet at the National Museum of China in Beijing reveals a gaggle of surprising "spectators" at the traditional Tibetan event: Chinese paramilitary police (see enlargement). Louisa Lim /NPR hide caption

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Tibetan spiritual leader the Dalai Lama. Diptendu Dutta /AFP/Getty Images hide caption

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A Tibetan Buddhist monk holds up a candle with other Tibetan exiles during a candlelight vigil for Tibetan Janphel Yeshi, who set himself on fire earlier in New Delhi. Strdel/AFP/Getty Images hide caption

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