It is a large cave with a strange landscape in the northern foot of Wuling Mountain. According to the Chinese Geological Research Institute, Longwang Cave has a history of 600 million years and is still growing, and is one of the few living caves in the world. Longwangdong Water Cave is connected, the whole length is 2.5 kilometers, there are more than 60 large and small attractions, including the ten sons of the dragon king of the minute lactolith and the stone gods, so it is called Dragon King Cave.