If you expect a map with locations marked X, well good luck. This is just a long-standing rumor, as these things are obviously kept secret, but the fact that bo

If you expect a map with locations marked X, well good luck. This is just a long-standing rumor, as these things are obviously kept secret, but the fact that both west-germany and switzerland did this (we actually have hard evidence) to stop advancing soviet forces in the event of war makes this very credible.