Introduction to Jianmen Shu Road: Jianmen Shu Road was built in the pre-Qin Dynasty and has a history of more than 3070 years. It enters Sichuan from Hanzhong and Ningqiang in Shaanxi, passes through Guangyuan, Jiange, and Zitong in Sichuan to Mianyang, with a full length With a length of more than 600 kilometers, it was not only an important transportation route from Shaanxi to Sichuan in ancient times, but also a battleground for military strategists of all ages. The Jianmen Shu Road still retains its original appearance. The bluestone road with a total length of more than 100 kilometers is spacious and flat. The 8,005 thousand-year-old cypresses standing tall on both sides of the road are vast and majestic. Its long history and well-preserved ruins far exceed its reputation. The ancient Roman road of the world is a veritable wonder of the world.