Introduction to the inland viewing area of ​​the cave: The inland viewing area of ​​the Fengyu Rock Cave is two kilometers long. The largest hall in the cave is 25,500 square meters, which is equivalent to an area as large as two football fields. There are various stalagmites in the cave. , stone pillars, forming many interesting and unique scenery such as Dinghai Shenzhen and Taro King.