Introduction to Stone Forest Valley: Located on the top of the cave, it was formed by changes in the Earth's crust in the Paleozoic Era, more than 300 million years ago. The mountains are rugged with strange rocks, dotted with exotic flowers and grasses, rare birds and animals, and wild flowers blooming everywhere. , the birds are singing in the forest, and being in it is like being in a dream. It is famous for its strange rocks, trees, vines and peaks.