This is the first sea-floortunnel-shaped aquarium designed and built by the Chinese people, located 4 kilometers south of Shanhaiguan Pass and covering an area of 3,500 square meters.
    When traveler enter this aquarium, colorful living corals, red trees with thick leave and many branches, swimming sea anemones, funny seals and big sea turtles will attract traveler's eyes. Thousands of fish a reswimming togther. The weak are the prey to the strong. The mystery of marine biological chain appears before traveler. Here stands the biggest shark hall where approximately 100 sharks of 5 species swim freely. A nurse shark, the biggest of them, is 4 meters long and weighs 250 kilograms. In the aquarium is the biggest seal breeding base in China, where dozens of seals live comfortably.
    If traveler are not satisfied to watch outside, he may come to “Feeling Pool”. Hold out his hand and get the pleasure of feeling starfish, Shells and some other marine living things. In the section of diving performance, the sight of male and female divers feeding 100 sharks and their fierce capture of food will surprise him much.
    Twenty thousand fish of more than 200 species in Science Promotion Hall will offer traveler rich marine knowledge. In the aquarium there are ten performances of sharks, seals and sea lion with people.