I built a skyscraper roughly based on this building:
I haven't built the side bit yet but I have a hole for the door. I figure I'll make it a library. I left off the shops at the bottom.
I couldn't make it any taller:
Looking out from the front door:
This is looking in from the front door:
From the inside looking at the doors:
Looking up from the inside:
This is the cloud level:
View from the top:
It isn't finished yet.