This stitched panorama photo taken on Aug. 20, 2026 shows Lake Yamzhog Yumco, Shannan City, southwest China's Xizang Autonomous Region. (Xinhua/Jiang Fan)

Tourists visit Lake Yamzhog Yumco, Shannan City, southwest China's Xizang Autonomous Region, Aug. 20, 2026. (Xinhua/Jiang Fan)

Tourists visit Lake Yamzhog Yumco, Shannan City, southwest China's Xizang Autonomous Region, Aug. 20, 2026. (Xinhua/Jiang Fan)

Tourists visit Lake Yamzhog Yumco, Shannan City, southwest China's Xizang Autonomous Region, Aug. 20, 2026. (Xinhua/Jiang Fan)

Tourists pose for photos with Lake Yamzhog Yumco, Shannan City, southwest China's Xizang Autonomous Region, Aug. 20, 2026. (Xinhua/Jiang Fan)