I dunno, I feel like Twilight should be somewhere on it. :
Also, do these things get created automagically or what? And what happens when they run out of windows in that hallway?
I took quite a few liberties with the colors and gradients, but I'm sure you'll survive. The download is 6000x16193 and is 8MB... Maybe I shouldn't have set my scripts to always export at 6000px wide.
Tools: Inkscape + nub mouse
Source: The Crystal Empire (part 2) [link]
Edit: Geez, always see the obvious errors after uploading.
Edit2: Okay! I decided to center things and apply a couple other adjustments. Don't be mad. D
Edit3: I managed to let background through in multiple places multiple times. ._. I swear I know what I'm doing