Yardang (Yadan in Chinese) refers to land formations sculpted by relentless desert winds. Whistling past the jutting, silent turret of stratified sandstone, the wind — a perennial force to reckon with ...

The Rainbow Mountains, or Zhangye Danxia, exist because of millions of years of geological evolution. There used to be a lake ...

Zhangye boasts several Danxia sites, including the Pingshan Lake ... Different seasons and times of day present various visuals. At sunrise and sunset, the hills burn with a fiery glow.