Comments by "Bushrod Rust Johnson" (@MilwaukeeF40C) on "How do cities grow?" video.

  1.  @kansasthunderman1  Walking was the only option until about 150 years ago. Horses were for rich people.
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  2. The most sustainable city would be one made of pods with everyone connected to some kind of virtual system and also some kind of nutrition and waste distribution/recycling. It could be powered off of our own biological energy if for some reason solar power wouldn't work.
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