Stunning.
E-wire would some great signs?
This is stuff is pretty cool. I've seen it used on clothing and I've wondered about cutting it down for modelling use. However, would cutting down a standard 1m strip to 200mm leave you with an overpowered battery pack, for example? I know squat about this sort of stuff, which should be evident with the above question.
With the office blocks and hotel above you could light the roof parapets, etc.