IamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 months agoTIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.www.utubepublisher.inexternal-linkmessage-square0fedilinkarrow-up11arrow-down10cross-posted to: til@lemmy.world
arrow-up11arrow-down1external-linkTIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.www.utubepublisher.inIamNobuddy@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 months agomessage-square0fedilinkcross-posted to: til@lemmy.world