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NOVA | Episode | Secret Tunnel Warfare

During World War I, the Allies and Germans repeatedly struggled to break the hideous stalemate of trench warfare. In the winter of 1916, Allied engineers devised a massive surprise attack: over 1 million pounds of explosives hidden in secret tunnels driven under German lines. Building the tunnels was desperate work, with tunnelers at constant risk from flooding, cave-ins, and enemy digging teams.

S43 E1 | 0:52:52 | AIRED: 1/6/2016 | EXPIRES: 1/5/2021 |
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