Boxes 2 and 3 on the west beach at Allhallows. Erosion means that box 3 (in the background) is now 85% submerged at high tide. At low tide it is surrounded by sinking mud making it very dangerous to approach.
Allhallows Defences
Committed to the study and preservation of 20th Century pillboxes and anti-invasion defences – In the UK and around the world