I'd have loved to see Paolo Soleri's "Arcology" idea take off better than it has - Arcosanti is a cool place to visit, but you wouldn't want to live there :-)

I'd have loved to see Paolo Soleri's "Arcology" idea take off better than it has - Arcosanti is a cool place to visit, but you wouldn't want to live there :-) https://en.wikipedia.org/wiki/Arcology https://en.wikipedia.org/wiki/Arcology