Monks debate on Buddhism doctrines at the Sera Monastery in Lhasa, capital of Southwest China's Tibet autonomous region, Nov 3, 2015. The annual Tibetan festival Lhapad Duchen, day to commemorate Buddha's descent from Heaven on Sept 22 of Tibetan calendar, falls on Tuesday this year.

A Tibetan Buddhism believer prays in front of the Jokhang Temple in Lhasa, capital of Southwest China's Tibet autonomous region, Nov 3, 2015.