A sea of clouds accents the sunset in Gansu province. (Photos: chinadaily.com.cn)

Clouds swirl around peaks and valleys in Gansu province.

Clouds swirl around peaks and valleys in Gansu province.

Clouds form a painting in motion in Gansu province.

The sea of clouds in Gansu has a fairy tale quality.

Clouds swirl around peaks and valleys in Gansu province.