Tourism Guide to the Anti-Japanese Tunnel Site at the Bottom of the Mountain in Jinan, Hebei Province - Site7 / 11Tourism Guide to the Anti-Japanese Tunnel Site at the Bottom of the Mountain in Jinan, Hebei - Cave Entrance
Structure introduction: In addition to the hidden holes, the tunnel also has a special switch cover, which is both waterproof and virus-proof. There are gun holes, traps, and bunkers at every corner of the tunnel, making it an underground fortress that can be defended when retreating and attacked when advancing.
The structure of the anti-Japanese tunnel ruins tourism guide at the bottom of the mountains in Jinan, Hebei
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