Lost-In-A-Day-Dream

Im going to be taking a break from the manga until the New Year comes around. Just thought I'd let you all know so you didn't think I had abandoned the project.
Also, I'd like to hear your guys' opinions: how do you picture the Capitol (Futuristic/sci-fi, skyscrapers, Medieval, etc.)? I had always pictured it as having candy colored, gaudy domes like the cathedrals of Russia, but the book is set in the future/post-apocalypse so I'm not sure what to do...