Julongtan is located between the big banyan tree and the moon mountain. It is the only cave in Yangshuo, Guilin. It is the only cave that can be visited by land and water. The cave is changed and more than 40 scenery is dizzying, as if traveling in the Crystal Dragon Palace. Julongtan, composed of black rock and water rock, is named after the strange peaks of the rock outside the rock like the Shenlong Tengyun, and the lactolith inside the rock is as colorful as a dragon and playing in the water. It is a national tourist scenic spot. The biggest highlight of the scenic spot is the stalactite caves underground, which have been formed by chemical and physical reactions for hundreds of millions of years. The more famous stalactite landscape in the cave has "Yang Guifei Xianyu", "Sea Mingyue", "Crystal Dragon Palace" and so on.