This artwork is so amazing! I've seen a lot of people try to make futuristic looking cities, and this one is a top favorite of mine. I used this in a video of mine: www.youtube.com/watch?v=Fv8Wc9… I linked back here, and credited you by name in the description.
I especially like how you did all the windows/lighting. It looks very colorful, glowy and eye-catching but its also not repetitive. Hover gondolas with glowing poles that somehow propel them are a must!