
A lama wearing a ritual mask and costume performs a ghost dance during a religious rite at the Taer Monastery in Xining, northwest China's Qinghai Province, Feb. 16, 2011. The ghost dance is performed across Tibetan regions to ward off disasters and bring luck and fortune. (Xinhua/Zhang Hongxiang)

Lamas in ritual masks and costumes perform a ghost dance during a religious rite at the Taer Monastery in Xining, northwest China's Qinghai Province, Feb. 16, 2011. The ghost dance is performed across Tibetan regions to ward off disasters and bring luck and fortune. (Xinhua/Zhang Hongxiang)

A lama wearing a ritual mask and costume performs a ghost dance during a religious rite at the Taer Monastery in Xining, northwest China's Qinghai Province, Feb. 16, 2011. The ghost dance is performed across Tibetan regions to ward off disasters and bring luck and fortune. (Xinhua/Zhang Hongxiang)

A lama wearing a ritual mask and costume performs a ghost dance during a religious rite at the Taer Monastery in Xining, northwest China's Qinghai Province, Feb. 16, 2011. The ghost dance is performed across Tibetan regions to ward off disasters and bring luck and fortune. (Xinhua/Zhang Hongxiang)