Verkkoit was built some 24 meters (79 feet) underground to harbor east german leaders and top military staff even in the event of nuclear annihilation.

Verkkothese once top secret bunkers with their blast doors, concealed entrances and underground habitation systems can provide a fascinating glimpse into the past,.

Verkkoduring world war ii, the british army built more than 600 of these underground bunkers—possibly upwards of 1,000—to serve as bases for small.

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