A masterpiece rumor of the Great War

Interesting article about the rumours of beings living in the caverns. There was an underground society known as the Sanctuary that operated in the Great War consisting of deserters and men posted missing who lived off stolen rations and travelled by night. According to Allison and Fairley in The Monocled Mutineer they would operate in the coastal areas waiting for boats to get them back across the Channel. Stories of armed gangs of mixed nations living in No Man's Land also were in existence.