Introduction to tunnel warfare sites: In the war practice of fighting against the enemy, the people of Jiaozhuang household connected the early simple hidden single holes, and designed and installed single-person bunkers, conference rooms, and water tank storage in the tunnels. Living facilities and combat facilities such as places, traps, flaps, rolling plate shooting holes, tunnel shooting holes, pig pen shooting holes, etc. were finally dug to connect every household. Villages are connected, extending in all directions, echoing from top to bottom, extending to Longwantun, Tangdong, There is a 23-mile tunnel network extending from Dabeiwu in the north.
There are currently 830 meters of tunnels available for tourists to visit in the ruins visiting area. One of the original tunnels, which is about 30 meters long, uses the country's first fiberglass and environmentally friendly adhesive technology. While being protected, it completely reproduces the original style of the tunnel at that time. , and uses modern high-tech means such as sound, light and electricity to truly reflect history.