It was amazing to see all kinds of lava milk hanging on the wall. The cave stone is strange, water is also strange, you can hear the sound of water droplets at any time, water droplets in different shapes of rock caused by different tones, constitute a very beautiful rhyme. The upper section of Xianren Cave is divided into dozens of lava tunnels because of many collapses at the top of the cave, so it is also called "72 Cave".