These illustrations, from a series called Abstract City, are by Christoph Niemann. He has won loads of prizes and done everything from Wired and the New York Times to, well, this stuff. Click here to see loads of his other stuff on the NY Times website (it's worth it if you like it). His website is christophniemann.com. He also has a new book out called "I LEGO N.Y." You should check it out. Maybe buy it. It's on his internets.