Earth-cooled, shipping container underground CA home for 30K

I think they had someone w/ some engineering skill do it, so it was structurally sound and all... I'm not sure if this is the exact same one I saw, but it's similar enough... ▶ this video

I can't recommend Kirsten Dirksen's channel enough to people interested in architecture, energy efficiency, tiny homes, 'green' construction, etc. Literally hundreds of hours of high-quality content - I'm really curious how she is able to find all of these interesting people who are doing such cool things. Channel: link Some other favorites: Baubotanik shapes living tree branches into building facades - link Boeing retiree finds meaning inventing micro homes & high speed trikes - link Extreme transformer home in Hong Kong: Gary Chang's 24 rooms in 1 - link Earth-cooled, shipping container underground CA home for 30K - ▶ this video Yokohama narrow tiny house "breathes" & attracts local nature - link

I live in the desert as well. I'd love to have a house with better insulation to spend less on AC. Earth sheltered homes seems like a great way to do that (though there are other problems - e.g. moisture, heavier roof). ▶ this video , link - here's a couple examples (she has visited others as well. Short of that I'd settle for a basement. Someday perhaps.