The tower of London was once used as a fortress, armory, treasury, mint, palace, observatory, refuge and prison, especially for upper class prisoners.
The last time it was used as a prison was during the Second World War.
伦敦塔曾作为堡垒、军械库、国库、铸币厂、宫殿、天文台、避难所和监狱，特别关押上层阶级的囚犯，最后一次作为监狱使用是在第二次世界大战期间。
