This photo taken with a mobile phone shows the scenery of Basum Lake after snow in the city of Nyingchi, southwest China's Tibet Autonomous Region, March 19, 2023. (Xinhua/Shen Hongbing)

This stitched aerial photo taken on March 19, 2023 shows the scenery of Basum Lake after snow in the city of Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Jiang Fan)

This photo taken with a mobile phone shows the scenery of Basum Lake after snow in the city of Nyingchi, southwest China's Tibet Autonomous Region, March 19, 2023. (Xinhua/Shen Hongbing)