Introduction to Wolong Cave: Wolong Cave is the first conglomerate cave in Asia and rare in the world. It was formed in the Carnian period of the Late Triassic and has a history of more than 200 million years. It has witnessed the geological phenomena that occurred on the earth 200 million years ago and reproduced the magical geological evolution process 200 million years ago. It is called a "natural geological museum" by geological experts.