A woman poses for photo at the Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2016. The number of tourists in Lhasa began to mount as the temperature rised. (Xinhua/Chogo)

 Tourists jump for photo at the Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2016. The number of tourists in Lhasa began to mount as the temperature rised. (Xinhua/Chogo)

 Tourists take selfie at the Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, March 14, 2016. The number of tourists in Lhasa began to mount as the temperature rised. (Xinhua/Chogo)