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Ancient Iran had air conditioning
(lemmy.world)
This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.
This is obviously an objective criteria, so the mods are always right. Or maybe mildly right? Ahh.. what do we know?
Just post some stuff and don't spam.
ok, but the cost of building a quanat is still pretty high and is not trivial to achieve.
Can't have water flowing everywhere in a country for this to work.