Introduction to Xiangshui Cave: Xiangshui Cave is located between the Big Chuan Cave and the Small Chuan Cave, and is the hub of the Getu River undercurrent system. It is actually a large vertical shaft with a diameter of about 150 meters. People can hear the sound of water flowing from the top, but cannot see the bottom. The bottom of the shaft is a depression. Along the middle wall at the top of the east side, you can reach the underground river. The protruding rock wall vertical to the river is 270 meters high. Based on this, it is estimated that the vertical wall is at least 210 meters deep. After the river cuts a channel in the rock at the bottom of the shaft, it roars and rotates in the cave, forming a huge underground circulation landscape and disappearing into the water tank.