Tag: Operation Sea Lion

• Britain’s last line of defence: the pillboxes and stop lines of 1940

  

  I mapped 14,690 wartime defences recorded by Defence of Britain volunteers. The planned German landing beaches had 2.3 times the average density of defence, and 71% of sites with a known condition were still standing.

  Tristan Hotham

  Data stories

  data visualisation, Defence of Britain, heritage, maps, Operation Sea Lion, pillboxes, Second World War, stop lines