Introduction to the open-air exhibition hall: The open-air exhibition hall mainly displays various aircraft manufactured by countries around the world. It collects the aircraft that Mao Zedong, Zhou Enlai and Zhu De flew in the 1950s and 1960s, and Stalin’s birthday gift to Mao Zedong──Picture -4 heavy bomber, the C-46 large transport aircraft that has repeatedly achieved military exploits in the "Hump Airlift", the construction of Tibet, and the border counterattack, the Convair-240 and C-47 that participated in the "Two Airlines" uprising, and the British Viscount and Figure -124, Trident and other large passenger aircraft. In addition, there are aviation cannon shooting, boarding tours, simulated flights and other aviation entertainment activities.