1751
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.
LOL Your comment makes it seem like you don't think that it couldn't possibly work, except that these things are still there and you can go visit them right now and feel how cool it is inside the buildings.