
Beneath the White Cliffs of Dover in southern Engl... ...tary defense network of tunnels. The Fan Bay Deep Shelter was constructed in the 1940s, carved out of the c... ...chalk cliffs in a mere 100 days, and equipped to shelter 190 men during possible bombardment from the A...
http://www.neatorama.com/2016/07/11/The-Wartime-Tunnels-of-Fan-Bay-Deep-Shelter/