Huanglong Cave, located in Wulingyuan Scenic Area, the core scenic spot of Zhangjiajie City, Hunan Province, is an organic component of Zhangjiajie World Natural Heritage and World Geopark. It is a typical karst karst landform. It is listed as an international tourist cave member and enjoys the reputation of the world. Stepping into Huanglong Cave, it seems to have entered an underground fantasy kingdom. The stalactites, stalagmites, and pillars in the cave have been growing for hundreds of millions of years. Some are like Dinghai Shen needles directly inserted into the top of the hole, and some are like birds and animals, which makes people sigh the magic of nature. Among them, the "Dinghai Shenzhen" of up to 19.2 meters is an iconic attraction in Huanglong Cave. In 1998, the scenic spot insured it for 100 million yuan, which set the world's first insurance for resource assets. The Xiangshui River in the cave is an underground dark river, tourists can take the boat down the current, feel the wonderful experience of "the boat in the water, the person in the painting". The river is crystal clear, and you can see attractions such as "Tianxian Bridge" and "Tianxian Palace" along the way. The tour guide will also tell legends related to the cave and add a mysterious atmosphere. In addition, the Dragon Palace Hall is magnificent, with an area of 16,000 square meters, full of stone, stone pillars, stone, "Dragon King Throne" and "Rocket Launch" and other landscape shapes strange, under the light, like the dragon palace scene in a mythical story. The maze area is one of the most distinctive parts of Huanglong Cave. The stalactites in the cave are dense, and rare landscapes such as stone flowers, stone branches, curling stones can be seen everywhere, and the roads are twisted and full of adventure fun. Huanglong Cave has a constant temperature of 16 ℃ all year round. It is a good place to escape the heat. Even in the hot summer, it can make you feel cool and comfortable. Whether it is an explorer interested in geological wonders or a traveler who wants to experience different scenery, Huanglong Cave can bring a journey of exploration that subverts the imagination.