Abandoned Engineering: Season 3, Episode 6 - ProjectFreeTV
3 - 6: Hitler's Wonder Weapons Bunker
Hidden tunnels that saw a city prosper, a sunken wreck with a remarkable past, a concrete wartime dome and a mysterious cold war building all feature.
Hidden tunnels that saw a city prosper, a sunken wreck with a remarkable past, a concrete wartime dome and a mysterious cold war building all feature.