Hanzhong's profile of Baoxie plank road describes builders drilling into cliff faces, setting wooden posts and laying planks to make a passable way. The method is plain engineering vocabulary—no romance required—showing how armies and merchants crossed stone before modern tunnels.
From the journal
Road through the Qinling
Baoxie plank road cut cliffs with holes, posts and boards—one of four named Hanzhong crossings south from Chang'an.
In the same city · Hanzhong ↗Holes, posts, boards
Four names west to east
A municipal chronicle essay places Hanzhong inside the system of Qinling crossings south from Chang'an. From west to east it names the Old Road, Baoxie, Tangluo and Ziwu passages—the corridor list that situates Baoxie among alternatives rather than as the only hole in the mountains.
