In 1999,the masters of international stunt flying piloted the planes to fly through Tianmen Cave.The activity gave rising to sensational reactions in the world.There were 800 million audiences watching the live telecast.

• 1999年，世界特技飞行大师驾机穿越天门洞，这一活动在全球引发轰动效应，收看现场直播的观众就达到8亿之多。