Lamas debate about the sutra of Tibetan Buddhism in Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2012. Sera Monastery, one of the three leading monasteries in Lhasa, holds Tibetan Buddhist sutras debate every afternoon except Sunday. There are a total of 1,780 monasteries in Tibet now. All major monasteries hold sutras debate. [Photo/Xinhua]

Lamas debate about the sutra of Tibetan Buddhism in Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2012. Sera Monastery, one of the three leading monasteries in Lhasa, holds Tibetan Buddhist sutras debate every afternoon except Sunday. There are a total of 1,780 monasteries in Tibet now. All major monasteries hold sutras debate. [Photo/Xinhua]

Lamas debate about the sutra of Tibetan Buddhism in Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2012. Sera Monastery, one of the three leading monasteries in Lhasa, holds Tibetan Buddhist sutras debate every afternoon except Sunday. There are a total of 1,780 monasteries in Tibet now. All major monasteries hold sutras debate. [Photo/Xinhua]

Lamas debate about the sutra of Tibetan Buddhism in Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2012. Sera Monastery, one of the three leading monasteries in Lhasa, holds Tibetan Buddhist sutras debate every afternoon except Sunday. There are a total of 1,780 monasteries in Tibet now. All major monasteries hold sutras debate. [Photo/Xinhua]