...Many topics turned out to be connected with this story of the death of a group of tourists - the secrets of rocket flight, and radiation from nuclear weapons tests, and the secrets of injuries, and the mysteries of natural disasters, and the mysteries of human behavior. But in order to understand what happened on the fateful night from February 1 to 2, 1959, it was necessary to put all the facts and events in their place - when, where and under what circumstances they occurred. Then the role of the main factors of events both in the accident itself and in the many rumors and legends that arose around it became clear...