SEC Modification Help

I'm working on an MOC I bought on Rebrickable, so essentially, it's an SEC (the MOC was designed by Super Brick Dude) and I'm trying to modify if to hang it on a wall. However, there are some aspects of it that when viewed as the original tabletop display, it's great, but when viewed from above (which would be straight on while hanging), some details are hidden. And the renderings here are what I'm talking about. In these renderings, there are 3 problem areas. The "buildings" are the...