Introduction to the 360° surround-screen cinema: The 360° surround-screen theater is the finishing touch in the overall design of the Air Defense Expo Park. The surround-screen movie screen is 56.5 meters long and 5.5 meters high. It is the first in the country in terms of technology and spatial layout. First, the film type with the theme of military air defense is also the first in Asia. The country's first design adopts two viewing modes: sitting and standing, allowing the audience to experience a realistic visual feast immersed in the scene.