Introduction to Pacific Underwater World Expo: Located under the Central Radio and Television Tower in Beijing, with a construction area of 7,000 square meters, it is a comprehensive modern expo that mainly displays marine life and integrates popular science education, viewing and entertainment. The museum has an 80-meter-long 270-degree acrylic circular display tunnel, as well as many facilities such as a dynamic cinema, an ocean restaurant, a computer classroom, and an undersea lounge.