Who Can Escape Secret Tunnel

Getting lost in the woods and everyone can, but normally there is a path that extends beyond the forest. Our forest is not such as you wander around for days and not find a way out, but there is a quick solution to the problem - old secret tunnel. He dug the partisans in World War II, to be selected quickly in settlements for sabotage and receive secret intelligence. It took a long time, the passage is closed by erecting a strong door, and locked with a key. If you look for master key, you can go guerrilla trails.