Improved, by the Germans in 1941, in the ancient quarries under the "Lycée Montaigne" this air-raid shelter, still has on its walls some warning like "Ruhe !" (keep silent) or "Rauchen Verboten" (no smoking). Its numerous exits , to the surface or the quarry makes it a stategic point !... just below the "Quartier Latin".

In reality the S.H.A.P.E. headquarters; it has been left by the N.A.T.O. in 1961, then was used a few years by the french army... It's completly closed down now, but a lot of the elements (panels, roads, undergound buildings) still bear witness of its occupation.

They're all Built to be more or less occupied for a certain time. The longer is this time the bigger they are. They even can sometimes contain real miniature city or best; be extremly well integrated in this city.