(oh it seems that I gave you guys an broken Update)
-Added a new path to get into the main hall
-Added Day/Night cycle (very glitchy some times)
-changed day light ( is seems darker on the picture than it is)
-redesigned the vent
-Added a nav file
Nope I am not dead.
-changed many ramps to stairs
-replaced some texures (they are still buggy)
-added some props
-reworked the vents
-remade the roofs outside
-changed many walls to props
If I have forgotten something tells me about it.