This 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. [Photo/Xinhua]

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. [Photo/Xinhua]

This photo taken with a mobile phone on March 19, 2023 shows the scenery of Basum Lake after snow in the city of Nyingchi, southwest China's Tibet autonomous region. [Photo/Xinhua]

This photo taken with a mobile phone on March 19, 2023 shows the scenery of Basum Lake after snow in the city of Nyingchi, southwest China's Tibet autonomous region. [Photo/Xinhua]

This 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. [Photo/Xinhua]