Here is a concept art I've done for the Luc Besson's movie "Arthur and the Invisibles" (Arthur et les Minimoys, in french).

It represents the King's palace, which is placed in the centre of the little subterranean city.
You can see a bigger version and a night version at this link : http://www.francois-baranger.com/design/art_palais_1.htm

(Photoshop over a 3D sketch - about 5 days of work)

验证码： 1310