Hi!!!Althought I really find that windowlicker got great point there this looks great man!!!
I just find the scene a little bit too cropped and missing some air.Maybe put the camera a little bit higher and have some kind of balcony on the foreground with some people closer to us as those first ones.
Maybe the horizon(or skyline?,don’t know,sorry 4 my english )
could be a little bit more rounded,with the buildings a little bit more inclined.
Anyway I suscribe,great drawings and great concept!!!
My grint space pra: