Discover how by the summer of 1940 due to the fear of invasion by the German Luftwaffe tumps were built on Black Down to prevent aircraft landing and taking off again.
Discover how In World War II (1939-45), Black Down became a key site in the defence of Bristol.
The decoy town at Black Down was one of the first, may have been the largest, of a network of sites across the country designed to divert bombing away from major cities.