Xu Kai's winged flight show.

At noon on 2013 16, winged trapeze appeared for the first time over the Badaling Great Wall in Beijing. This is Xu Kai's warm-up flight for the 15th Beijing International Aviation Exhibition-Badaling Flight Dynamic Exhibition and the 1st Beijing Yanqing General Aviation Tourism Culture Festival to be held at Badaling Airport from September 26th to 28th. The warm-up flight and wing-mounted flight show at Beijing International Aviation Exhibition and Aviation Tourism Culture Festival were very successful. The military science and technology column of CCTV Channel 7 filmed the feature film "Flying Free: 15 Beijing International Air Show" for this air show.