1. Unfinished underground command post
2. The precise function of the object is not known, but do not need a lot of sense not to guess about its purpose.
3. General tendency to burrow into the earth existed in the blood of the Russian people for a long time probably.
5. In the 20th century, with the advent of nuclear weapons, speed dig deeper markedly accelerated. In greater depths were built gigantic secret underground facilities, which could survive a nuclear apocalypse.
6. It was there, in the giant invisible bins invested heavily.
7. These and more grandiose buildings were built many, build and now.
10. Almost all the buildings have a message to the current station for quick and secure access when the hour "X".
17. Way the object to the current station.