he tabletop mountains are considered some of the oldest geological formations on Earth, dating back to roughly 2 billion years ago. The mountain also serves as a triple border for Brazil, Guyana, and Venezuela.
The colorful Zhangye Danxia National Geological Park in the Gansu province, China. Known for its saturated rock formations, it has been voted by Chinese media outlets as one of the most beautiful landforms in China. The unusual colours of the rocks.