A drone photo taken on March 18, 2026 shows the scenery after snowfall at Guan'egou scenic area in Dangchang county of Longnan city, Northwest China's Gansu province. [Photo/Xinhua]

This photo taken on March 18, 2026 shows the scenery after snowfall at Guan'egou scenic area in Dangchang county of Longnan city, Northwest China's Gansu province. [Photo/Xinhua]

An aerial drone photo taken on March 18, 2026 shows the scenery after snowfall at Guan'egou scenic area in Dangchang county of Longnan city, Northwest China's Gansu province. [Photo/Xinhua]

Tourists enjoy the scenery after snowfall at Guan'egou scenic area in Dangchang county of Longnan city, Northwest China's Gansu province, March 18, 2026. [Photo/Xinhua]