Introduction to Yanzi Cave: Yanzi Cave is located about 1 km south of Xiagejing. It is the first hall of the entrance to the Getu River and is also the largest and most spectacular cave in the world.
The karst landscape of Yanzi Cave is characterized by majesty, strangeness, danger and steepness. It is about 12 kilometers long. Under the giant arch 116 meters high and 25 meters wide is a 270 meters long river bend. You can go boating into the cave. The walls of the cave are as steep as a chip, and tens of thousands of swallows fly in and build nests. It is also known as the "Yan Palace". Every morning, when wisps of morning light enter from the Tongtian Cave, tens of thousands of swallows fly out of the cave, just like the colorful clouds coming out of Xiu, just like the purple air coming from the east.