IamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 months agoTIL Ancient Persians built Yakhchāls, innovative ice storage structures dating back to 400 BC. These dome-shaped coolers used evaporative cooling to keep ice frozen even during hot summers.www.utubepublisher.inexternal-linkmessage-square3linkfedilinkarrow-up194arrow-down11cross-posted to: til@lemmy.world
arrow-up193arrow-down1external-linkTIL Ancient Persians built Yakhchāls, innovative ice storage structures dating back to 400 BC. These dome-shaped coolers used evaporative cooling to keep ice frozen even during hot summers.www.utubepublisher.inIamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 2 months agomessage-square3linkfedilinkcross-posted to: til@lemmy.world
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