Zijingguan, is one of the gates of the Great Wall, there is the risk of "one husband when the gate, the whole family is not open", "the steepness of the south blocking the windway, the depth of the north is the gateway, and the distance is far from the Xuanda as a fence. A gate is far from the middle, and the group is dangerous and flawed. The scale is magnificent, and it is obviously a auxiliary guarantee." Zijingguan is located in Juyong, Between the two gates of the horse, known as the "Nei Sanguan". In history, there have been more than 140 wars in the Bauhinia Pass, the most famous is the first year of Jin Zhenxuan (1213 AD) Genghis Khan long attacked the Yongguan, divided the soldiers Bauhinia Pass defeated the Jin soldiers, and the inside and outside the Yongguan. In the winter season, experience the history of the Bauhinia Pass built in the Warring States period. There is no commercial development here, no cost, maintain the original ecological natural scenery, look at the ancient Great Wall eroded by the vicissitudes of the years, climb high and overlook, and open and comfortable.