Visitors watch buddhists wearing masks attending a ceremony expressing stories of Gods and ghosts in Tibetan Buddhism at the Taer Monastery in Huangzhong County of Xining, capital of northwest China's Qinghai Province, July 14, 2013. The ceremony, which is called "Tiao Qian" in Chinese, was held on Sunday here at the monastery, the birth place of Tsongkhapa, founder of the Geluk school of Tibetan Buddhism. (Xinhua/Wu Gang)