I live in one of those cities (Edinburgh). The old town (completely unplanned, grew naturally) is a beautiful place but utterly impractical for the size of the

I live in one of those cities (Edinburgh). The old town (completely unplanned, grew naturally) is a beautiful place but utterly impractical for the size of the city now. The new town was meticulously planned and has fared much better. Meanwhile, all of the brownfield sites that are appearing are being turned into student accomodation en masse; even with planning restrictions. I can only Imagine the state of the city if we just blindly allowed building.