There are also known underground facilities in existence. Take for example, the Swedish underground military facility at Musko. It’s a large naval base built underneath a mountain. The hospital alone within this facility holds over 1,000 beds. Musko engineers blasted out 1,500, 000 cubic meters of stone in order to build it…..read more…..
http://worldtruth.tv/the-hidden-reality-of-deep-underground-military-bases-2/