2 Welcome To Zhangjiajie City, China. About from downtown of Zhangjiajie lies the Tianmen Mountain, also known as Heaven Gate Mountain. By looking at the picture above, theres no need to understand why this is named Heaven’s Gate.
Tianmen Cave also known as Gateway to Heaven. They say it used to be a cave but a collapse turned it into the arch. It's 999 steps to the top. It's located near Zhangjiajie city in western Hunan Province.