I´ve been thinking about something like this for quite some time. After living in a medium city (300.000) were we go almost everywhere walking, going to a big c

I´ve been thinking about something like this for quite some time. After living in a medium city (300.000) were we go almost everywhere walking, going to a big city feels like a jail. Dense walkable downtowns surrounded by parks, and connected to other downtowns via public transport, is a great idea. Although a bit difficult to implement..