由于高成本和恶劣条件,阿尔卡特拉斯监狱于1963年3月21日关闭. Alcatraz Penitentiary closed on March 21, 1963, due to high costs and poor conditions.

1963年3月21日,旧金山湾的阿尔卡特拉斯联邦监狱在经营30年后正式关闭. On March 21, 1963, Alcatraz Federal Penitentiary in San Francisco Bay officially closed after 30 years of operation. 由于高昂的运营成本,基础设施恶化以及公众对严酷条件日益关注. The prison, known for housing some of the nation’s most notorious criminals, was shut down due to high operating costs, deteriorating infrastructure, and growing public concern over its harsh conditions. 关闭标志着美国监狱历史的一个时代的结束,囚犯被转移到其他联邦设施. The closure marked the end of an era in American penal history, with inmates transferred to other federal facilities.