The Potala Palace is see in the photo taken on Oct. 5, 2017 in the heart of Lhasa, capital of southwest China's Tibet Autonomous Region. (Xinhua/Chogo)

The Potala Palace is see in the photo taken on Oct. 5, 2017 in the heart of Lhasa, capital of southwest China's Tibet Autonomous Region. (Xinhua/Chogo)

The reflection of the Potala Palace is see in the photo taken on Oct. 5, 2017 in the heart of Lhasa, capital of southwest China's Tibet Autonomous Region. (Xinhua/Chogo)