The 3D design of the hangar doesn't even look to have changed, beside the addition of the crates. The textures are minimally changed.
The point of the screenshots is showing off new features in the lighting engine and new capabilities/new implementations of capabilities in objects, (which will have repercussions across the graphics/look of the entire game-which seems to now have a much much more sophisticated lighting system, making it look modern instead of just having increasingly higher-resolution textures essentially serving as a band-aid- not just changes to the VH) not to say that they redid the hangars so much. They were only redone recently, anyway.
