This photo taken on Sept. 21, 2025 shows a view of the Potala Palace in the distance under a rainbow in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Jigme Dorje)

A visitor takes photos of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region, on Sept. 25, 2025. (Xinhua/Jigme Dorje)

This photo taken on Sept. 25, 2025 shows a view of the Potala Palace in the distance in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Jigme Dorje)

This photo taken on Sept. 25, 2025 shows a view of the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Jigme Dorje)