Introduction to "Ancient Reptiles": shows the audience the landscape of the biological world more than 200 million years ago, and demonstrates the vertebrates represented by lobe fish, Ichthyostega, caecilians and Dimetrodon. The complex process of development from water to land. The center of the hall displays a group of lifelike dinosaur skeletons, such as the first dinosaur discovered by the Chinese - Lufengosaurus Xu, the 26-meter-long Jingyan Mamenchisaurus, the king-dominated Tyrannosaurus rex, the small and exquisite dinosaur Clawsaurus, the Tuojiang dragon with sword plates on its back, the majestic Yongchuan dragon, the soaring pterosaur, and the ichthyosaur that dominates the ocean. The multimedia computer allows the audience to appreciate the original burial state of dinosaurs, and experience the hardship and fun of paleontologists digging for dinosaur fossils through the "fossil searcher". From the simulated stratigraphic demonstration, they can experience the major geological change process of the earth's transformation from sea to fertile land. ...