In the ninth and 10th centuries, the castles being constructed across Christian Europe were generally wooden structures built on top of artificial mounds that, after the Norman conquest, were called mottes.
在9世纪和10世纪,基督教欧洲各地建造的城堡通常是建在人工土丘上的木结构建筑,在诺曼征服后,
些土丘被称为“mottes”。