Ключевые слова: 2, adolf hitler, air raid, antiaircraft, army, battery, blockhouse, bombing, bunker, castle, cement, city, combat, combat tower, concrete, defensive, exterior, flak, flak tower, flakturm, flakturm iv, gefechtsturm, german, germany, gtower, gturm, gun, hamburg, hitler, large, luftwaffe, massive, nazi, nazi germany, nazis, outdoors, outside, second world war, shelter, tower, towers, two, war, world, world war 2, world war ii, world war two, ww2, wwii,