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The Somme: Secret Tunnel Wars
Archaeologists examine a labyrinth built by British troops beneath the Somme battlefield.
The Somme: Secret Tunnel Wars Episodes
Episode 13-08-2019
Beneath the Somme battlefield lies one of the great secrets of the First World War, a recently-discovered network of deep tunnels thought to extend over several kilometres. This ...
13-08-2019
BBC 4
