Introduction to the popular science exhibition hall: The mysterious sea in the popular science exhibition hall uses seven-sided audio and video projection technology to simulate the deep sea landscape. Being in it is like taking a boat expedition to appreciate the vast sea; in the ancient ocean exhibition hall are the seven most silent oceans in history. Exhibition panels display a large number of prehistoric marine creatures that were once rampant, such as the ancient megalodon, giraffe, crocodile, and crab roe.