A marvelous sea of clouds rushes down mountains in Minxian county of Dingxi, Gansu province, churning up white waves along the way.

Aerial photo shows a sea of clouds at Tianhe Mountain scenic spot in  Minxian county of Dingxi, Gansu province. [Photo provided to chinadaily.com.cn]

Cloud and mist float at sunset, unveiling a picturesque landscape. [Photo provided to chinadaily.com.cn]

Visitors enjoy the beautiful scenery of the sea of clouds in Minxian county of Dingxi, Gansu province. [Photo provided to chinadaily.com.cn]