> Huh, humans live for centuries in caves also just fine. Less draft-y, better control temperature, and indoor plumbing with modern building science. > I don'

> Huh, humans live for centuries in caves also just fine. Less draft-y, better control temperature, and indoor plumbing with modern building science. > I don't know why cities, streets and bicycles are needed. Cities have less environmental impact, streets offer easier movement, and bicycles are probably the most efficient way of a human being moving. I'm not sure how designing communities where private automobiles are a necessity improved upon communities where they are optional nice-to-haves.