These huts became common in POW camps across Britain and were supposed to be temporary structures.
Non-Nazis were graded White, dubious cases were Grey, and hardened Nazis were Black.
Cultybraggan was a Black camp, officially designated Camp 21.
As expected, Cultybraggan was full of troublesome prisoners.
When the plan was discovered, the ringleaders of the Devizes plot were sent to Camp 21.
Within a week, Rosterg was lynched and hanged by a mob of enraged POWs.
Despite the infamy, Cultybraggan was actually a very liberal prison.
His ashes were scattered in the hills near to the Cultybraggan camp.
In 2007, the local community raised some 350,000 through donation and bought the property.
Photo credit:Joanna Paterson/Flickr
Photo credit:Ken Fitzpatrick/Flickr