Key stages Key Stage 1 Key Stage 2 Key Stage 3 Key Stage 4 Key Stage 5 Higher Education Lifelong learning Themes Cultural Heritage Land Management Landscape Curriculum subject Geography History 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. Keywords War World War 2 Defence starfish decoy Bomb tump Discovering Black Down - Tumps and the Heinkel He 111 Discovering Black Down - Tumps and the Heinkel He 111 Discovering Black Down - Tumps and the Heinkel He 111 51.311003289787, -2.74314880895