A magnificent sea of clouds appears after a snowfall in Tianzhu Tibetan autonomous county of Wuwei, Gansu province. [Photo/gansudaily.com.cn]

After heavy snowfall, a sea of clouds rushes down the mountains in Tianzhu Tibetan autonomous county of Wuwei, Gansu province, churning up white waves along its path.

Overlooking Maomao Mountain at an altitude of 3,562 meters, the clouds and mist flow gently over the ridges, blanketing the whole landscape.