The Lianzhou Underground River is a typical giant natural limestone cave belonging to the subtropical karst landform. According to local tour guides, the cave was formed by the crustal movement 200 million years ago and now has an area of 45,000 square meters. The highest point is 47.8 meters, the widest part is 53.6 meters, in the underground dark river, 1,500 meters from north to south, through three beautiful canyons, through the bottom of four hills, the river is 1.6 meters to 10 meters wide, water depth 1 The temperature in the four-meter hole is kept at around 18 meters, and the air is fresh and cool. into the cave. Ma Ma wanted to see it and came back. However, when I walked in, I felt that I walked into the time tunnel and crossed into another foreign space. The sound of the water in the cave is falling, and the tour guide explains it all the way. However, I walked alone behind, because the stalactites of different shapes were so charming under the light. In a variety of poses, magnificent and colorful, each milkstone is a different landscape.