Sung Sot Cave is located in Halong Bay, Vietnam. It is one of the most famous and spectacular caves in the area. The cave is spacious and divided into two parts. The first part is smaller, like entering a secret world, while the second part is suddenly open, with stalactites and stalagmites in various shapes, like a mysterious palace. The top of the cave rises and falls like waves, and it looks even more dreamy under the light. Climbing up to the cave entrance, you can also overlook the magnificent scenery of Halong Bay. It is a must-see for tourists.