The World Mobilization Day against the Threat of Nuclear War is celebrated on January 29 – on this day in 1986, during the Cold War between the USSR and the United States, the Delhi Declaration on the Principles of a Nuclear-Weapon-Free and Nonviolent World was adopted. In the very center of Moscow, at a depth of 65 meters, there is a unique object – the museum of the Cold War “Bunker 42”, or “Stalin’s Bunker”.