>Stage 1
-Added multiple areaportals and areaportalwindows.
-Removed the rock spire in the aviary area
-HINTS EVERYWHERE
>Stage 2
-Added multiple areaportals to the exterior area.
-Added some nodraw brushes inside displacements.
-HINTS
>Stage 3
-Replaced electric fence with a tall, solid wall to split the areas and increase performance.
-Added a ramp up to the bunker roof, changed the layout of stuff on the roof to prevent it from being an OP sniper balcony for defenders.