Introduction to the Yunlong Ground Fissure: It was formed at least 50 million years ago. The strata from the top to the bottom of the ground fissure are mainly limestone formed between 210 and 290 million years ago, spanning the Permian and Triassic periods. It is the world's largest The only seam in the sea with different geological ages on both sides of the Taiwan Strait. The ground seam is "U" shaped, with a total length of 3.6 kilometers, an average depth of 75 meters, and an average width of 15 meters. It is currently open to the public for 1.6 kilometers. It is surrounded by cliffs and giant ravines outside, with mountains and changing terrain; inside it is flowing water. Gong, the waterfall falls, and there are many strange rocks; it is majestic, steep, thick and far away. The main attractions are: Yunlong Cliff, Fengyu Bridge, Time and Space Bridge, Yunlong Hanging Waterfall and Falling Water.