So I've been trying to sprint through a couple of these pictures, and it comes with an unusual side effect. Blender can keep up to 8 rendered frames while you're working, but they all disappear when you exit. Since I've been doing these recent buildings much quicker, I haven't had been hopping in/out of Blender as often as usual. So what that means is that many of my "in progress" pictures have been sticking around.
Flipping through the progress was mildly entertaining for me. Looking at my progress for the factory was pretty neat, though I didn't bother to save out all the pictures of the in between steps. However, I just finished the police station (which has it's own unique features), and I have several of the in-progress steps. I thought I'd share, so you can see how things build up. There's nothing particularly magical and I don't claim to be an expert artist...But I thought it was mildly interesting to see.
Enjoy!