The Meridian Road through the Qinba Mountains is one of the most important passages from the middle of Sichuan to the customs. After the founding of the People's Republic of China, the West (An) Wan (Yuan) Highway was built on the basis of the ancient Meridian Road, and has been used as part of the 210 National Road to this day. From Wanyuan, Sichuan, through Banchaofengdi Town, Shiquan, the hometown of Ghost Valley, and Ningshan in the depths of Qinling Mountain, finally arrived in the bustling Chang'an.