Lianyungang Liandao Undersea World is one of the few oceanic halls in China that use natural seawater to exhibit marine animals, and also one of the largest number of living coral species in China. Here, people can explore the mystery of the ocean, know a variety of marine life, walk deep in the ocean and close contact with animals. It can be said that the underwater world of Liandao Island is a real ocean hall built in the center of the sea, bringing unlimited surprise and joy to tourists.