
Visit Date 05-2022: . About 28,000 pillboxes and other hardened field fortifications were constructed in Britain in 1940 as part of the British anti-invasion preparations for World War II. About 6,500 of these structures still survive. Along the beach at Kenfig sands is the remains of one of these abandoned structures.A pillbox is a type of brick, block, or concrete dug-in guard-post, normally...