You don't even need to build a new city, you just need to take an existing rust belt city and make it a cool place to live again. Gentrification, but instead o

You don't even need to build a new city, you just need to take an existing rust belt city and make it a cool place to live again. Gentrification, but instead of just a neighborhood, it would be with an entire metro area. Pittsburgh might be a recent example of this.