The Great Underground War — Season 1, Episode 1: The Mines of Ypres
Documentary, War & Politics • 45 min • 1 season, 5 episodes
Episode synopsis
The British successfully used a mining technique known as 'clay kicking' to plant mines under German tunnels during three battles in Flanders. 500,000 soldiers were killed for 900 metres of gains.
About The Great Underground War
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.