Monks debate on the sutra of Tibetan Buddhism at the Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2014. All major monasteries hold the week-long sutras debate since the eighth day of the first month of the Tibetan Calender every year. [Photo/Xinhua]

Monks debate on the sutra of Tibetan Buddhism at the Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2014. All major monasteries hold the week-long sutras debate since the eighth day of the first month of the Tibetan Calender every year. [Photo/Xinhua]

Monks debate on the sutra of Tibetan Buddhism at the Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2014. All major monasteries hold the week-long sutras debate since the eighth day of the first month of the Tibetan Calender every year. [Photo/Xinhua]

Monks debate on the sutra of Tibetan Buddhism at the Sera Monastery in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2014. All major monasteries hold the week-long sutras debate since the eighth day of the first month of the Tibetan Calender every year. [Photo/Xinhua]