This is an illustration commissioned for one of my favorite SSBB stories of all time, the Revelation of Orev ( http://www.shousetsubangbang.com/mi.....ation-of-orev/ ).
The best I could do for figuring what the architecture in the world of that story might look like was one of these columns ( http://en.wikipedia.org/wiki/Solomonic_column ) in the background of a more recent modern looking apartment. And the flowers in the foreground are these: ( http://en.wikipedia.org/wiki/Night-blooming_cereus )