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

itoggle caption Louisa Lim /NPR

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

itoggle caption Strdel/AFP/Getty Images