70 years after the end of World War II, tunnels built by the Nazis may still be protecting Hitler's final secrets. When two explorers uncover a hidden document that reveals a sealed Nazi underworld, they search these unexplored complexes.
70 years after the end of World War II, tunnels built by the Nazis may still be protecting Hitler's final secrets. When two explorers uncover a hidden document that reveals a sealed Nazi underworld, they search these unexplored complexes.
