Miles of hidden tunnels behind the cliffs were built during the Dark Ages, and played a role in the defense of Britain during the Napoleonic Wars.

• 悬崖背后是建于黑暗时代（约公元376年-1000年：翰唐注）连绵纵横的地下隧道，这些隧道曾在拿破仑战争时期为保卫英国发挥了一定的作用。