The German Art of Bunker Building – WW2 Special
Few things of the Second World War are more intimidating than the iconic German Bunker. Made out of reinforced concrete with a thickness of up to 3.5 meter, these casemates and pillboxes were incredibly tough to destroy. Built to withstand shells and bombs, they provided shelter to troops and civilians alike. But there were also some even larger super-structures. Credit to: World War Two
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