Space Sweeper,

Imagine yourself as an architect of a beautiful prosperous city, and now imagine it is, let's see, situated on the moon. Or Mars. Or Venus. How would it influence city planning? Would it be possible to build skyscrapers, and what kind of air solution to inhale would there be? Terraforming, various tools to upscale your colony and endless possibilities to profit off your intergalactic goods - we have it all in Moon City.