Let your eyes unfocus then refocus for a while and notice the black areas in the buildings ... it appears to be imagery indicating a blank open space ... like these buildings are open hangars of some kind to the lower levels below? The top image shows some kind of gantries and winch gear above these openings?
The lower image shows a number of open hangar buildings and some kind of 'secret craft' on a runway?
There are several conspiracy sites that have commented how 'wrong' the shadows are on the Google Earth images of this 'secret place' ... working on that observation I took to negative working the images and this was the result ...