introduce
On Shu Road, at the intersection of Baocheng Railway (Baoji to Chengdu) and Yangan Railway (Yangpingguan to Ankang), there is a small town called Yangpingguan, also known as Yanganguan. Yangping Pass has been regarded as "the throat of Shu and the gateway of Hanzhong" since ancient times. Ancient Yangping Pass, also known as Baima City and Jinkou City, was built in the Western Han Dynasty and was an important transportation hub and material distribution center at the intersection of Shaanxi, Gansu and Sichuan provinces. .
