Also, no street level shots of buildings were taken in Japan. All shots were overhead shots taken at nighttime, when all of the lights made everything look much better. No mention on water quality or overall health of the people in those cities, either. Sure, we could nuke Detroit, and rebuild it to be more aesthetically pleasing in 10 years than it is now, but it would still be unsafe to live there. Radiation levels have no effect on a city's ability to construct new buildings.