The one by the people who flew with the geese is interesting. https://youtu.be/RoGuvvzHY1A https://youtu.be/RoGuvvzHY1A Edit: I'm thinking mostly underground

The one by the people who flew with the geese is interesting. https://youtu.be/RoGuvvzHY1A https://youtu.be/RoGuvvzHY1A Edit: I'm thinking mostly underground is much cheaper and reduces the risks of wildfire, wind, hail, tornado, and lightning. / There's also the opal miners in Australia who built their whole town underground. https://youtu.be/4h9XwwgQKRQ&t=2s https://youtu.be/4h9XwwgQKRQ&t=2s