Tourists take photos at the Nanshan park in Lhasa, southwest China's Xizang Autonomous Region, April 26, 2026. (Xinhua/Tenzin Nyida)

This photo taken on April 26, 2026 shows the Potala Palace seen from the Nanshan park in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

This photo taken on April 26, 2026 shows the Potala Palace in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

Tourists take photos at the Nanshan park in Lhasa, southwest China's Xizang Autonomous Region, April 26, 2026. (Xinhua/Tenzin Nyida)

This photo taken on April 26, 2026 shows the Potala Palace seen from the Nanshan park in Lhasa, southwest China's Xizang Autonomous Region. (Xinhua/Tenzin Nyida)

Tourists enjoy their leisure time at the Nanshan park in Lhasa, southwest China's Xizang Autonomous Region, April 26, 2026. (Xinhua/Tenzin Nyida)