This Incredible Tool (preventing insolation) That Our Ancestors Used To Keep Cool In The Summer.

Yeah, they cost money. So does installing air-conditioning. But they use no energy ( that’d would be bad for fossil energy-producers).

  • Heydo@lemmy.world
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    4 months ago

    Yeah, I would have to blast bedrock to make a hole or buy tons of soil to bury a house lol.