Introduction to the 4D Popular Science Theater: The 4D Popular Science Theater is located on the 2nd floor of the new building. It consists of a film projection system that displays three-dimensional and special effects films and 196 audience seats. 6 synchronous film projectors are installed on a 180-degree circular screen. A film with a three-dimensional effect is projected on it, and special effects such as smoke, water, wind and smell are produced according to the needs of the film's plot. At the same time, the seats can vibrate and fall as the plot develops.