The Hidden Offensive: WW1 Underground Army

This documentary uncovers the hidden underground war of the First World War, as soldiers turned to mine warfare when the trenches locked into stalemate. It follows the tunnellers who dug beneath enemy lines at places like Hill 60 to plant devastating explosives. It reveals a secret, claustrophobic front rarely told in mainstream history. It is a gripping watch about ingenuity, danger and the buried battles of the Western Front. Free to watch in HD on Dr Documentary.

Courtesy of Slice History on YouTube. Watch on YouTube ↗

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