Nestled in the heart of China's Gansu Province, Zhangye Danxia Geopark, popularly known as the "Rainbow Mountains," beckons adventurers and nature enthusiasts to a mesmerizing landscape like no other.

In the Danxia Shan national geopark tens of millions of years of erosion and tectonic activity have sculpted red sedimentary rock into dramatic peaks and valleys. The area is one of the Danxia ...