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What was the Yakhchāl an ancient Persian 'refrigerator' that made ice 2500 years ago long before refrigeration was invented? - Quora
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Ancient Ice-Making Machines Found In Persian Desert, The Yakhchāl - YouTube
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What was the Yakhchāl an ancient Persian 'refrigerator' that made ice 2500 years ago long before refrigeration was invented? - Quora
Max Fordham
The Yakhchāl was an ancient Persian “refrigerator” that stored food and even ice long before electricity was invented – Heritage & Conserve
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