'Earth forest' discovered in Gansu

The landscape of Earth Forest or "Tulin" has been discovered at the Danxia Scenic Area of Zhangye Danxia National Geopark in northwest China's Gansu Province. (Photo: China News Service/Zhang Xiqing)

The earth forest is basically yellow and the color varies in different part, according to the geopark. It was formed by geological movement and soil erosion.