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Nazi Underground Fortress 'Camp Earthworm' Revealed
Footage filmed near the western Polish city of Miedzyrzecz on Thursday, May 31, reveals a Nazi fortress made up of long, complex tunnels know as the Regenwurmlager, translated literally as 'Camp Earthworm.’ Built by German forces during World War II, the fortification was strategically located at a point in the Polish border that is closest to Berlin, according to militarytours.it. http://www.militarytours.lt/tour/regenwurmlager-the-largest-underground-military-structure-in-europe/ The underground labyrinth includes secret rooms and long tunnels stretching for over 100km (62 miles) at a depth of around 20 to 50 metres (65-164ft). In some places, where it runs underneath hills, the depth reaches 80 metres (262ft). Three-metre (9.8ft) thick walls of reinforced concrete and steel cover what is considered the longest underground defensive complex in the world. The underground fortress contained power plants, which supplied energy to the bunkers, as well as storage and medical facilities. There was also a manufacturing center that produced aircraft parts. Movement and transportation throughout the tunnel system was by means of narrow gauge railways. The Regenwurmlager was abandoned in 1945 as German troops were forced to retreat from the eastern front.