Russia - only the size of the country encourages speculation. In addition there are the extraordinary climatic conditions. Changing autocratic leaders in many decades knew how to convince the people of their ideologies and demand both tribute and selfless obedience. In this world collusiveness of the Soviet government and the deceit and stealth maneuvers of the Cold War seem to be a perfect match. Under the capital Moscow a secret tunnel system is to be concealed - created in the cold war, today still usable. Is that true?
45 Min./52 Min. Arte, ZDFinfo