Tibetan Buddhism believers burn incense on a hill behind the Sera Monastry 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. (Photo: Xinhua/Purbu Zhaxi)
