🌐EnglishEnglishItalianoРусскийفارسی中文EntityQ4092985· pop 13· linked from 18 articlesBolshoy Domadministrative building of the OGPU-NKVD-KGB-FSB in Saint Petersburg, RussiaConnectionsFederal Security ServiceEntityRussiaCountryCategoriesBuildings and structures built in the Soviet UnionBuildings and structures in Saint PetersburgConstructivist architectureCultural heritage monuments of federal significance in Saint PetersburgFederal Security ServiceGovernment of Saint PetersburgKGBPolitical repression in the Soviet UnionPrisons in RussiaPrisons in the Soviet Union