Located in the Harz Mountains of Germany, some 160 miles [260 km] southwest of Berlin, the factory complex wove its way through 10 miles [20 km] of huge galleries dug into the base of a hill.
See asus Saksamaal Harzi mäestikus, Berliinist umbes 260 km edelas. Tehasekompleks laius 20 km ulatuses hiiglaslikes mäealustes ruumides.