TIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.
TIL ancient Persians built desert freezers called 'Yakhchals' around 400 BC that kept ice frozen year-round using evaporative cooling and smart architecture.
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Yakhchāl - Ancient Desert “FREEZER” Invented Around 400 bc In Persia
