Introduction to the water cave: The water cave is about 1,000 meters long, with a widest point of more than 80 meters and a narrowest point of only 20 meters. The highest point of the cave roof is more than 50 meters. The depth of the underground river Longtan in the cave is 21 meters. , extending in the shape of vines in the cave, with a length of about 2,000 meters. Enter Tianhetan from under the overpass, and then take a boat tour of Longtan Water Cave. During the boat tour in the cave, the stone curtains, stone waterfalls, and stalagmites in the cave look like cassocks dragged into the pool, and like lotus flowers blooming on the top of the cave. There are dragon girls dressing up, and Taigong fishing. They are in various poses, and the scenery changes as you move, especially the The tidal pool, where the tide rises and falls, is mysterious.