I did this image very quickly after experimenting with city ecosystems. All the objects are Vue stock models except the small spaceship that was found on Sci-Fi meshes.
Dystopia is a futuristic city setup modelled by a series of artists. A first series of city blocks are shipped with Vue. These are the ones I used here. Additional city blocks and vehicles can be purchased on the Team Dystopia website.
Medieval buildings from Dante78 at Renderosity.