Not only that. I had a friend who studied geo economics (or something like that) Basically: why do cities build around mountains, rivers etc and why do citize

Not only that. I had a friend who studied geo economics (or something like that) Basically: why do cities build around mountains, rivers etc and why do citizens s build "clusters" of expertise. Like a city full of indie developers. To make it short: ylu just can't build planned cities.