Zhangye Danxia Landform in the National Geological Park in Gansu Province, China, is a unique geological phenomenon, one of the greatest gathering of different pigments in stone in the world. Image credit: Mohsin A. Soomro
Visitors are standing among the colorful rock formations. Larger image
The unusual coloration in the rocks, is a result of millions of years of accumulated and oxidized red sandstone and other sediments.
Image credit: Mohsin A. Soomro