Way before the invention of the refrigerator, people stored ice all-year-round in special buildings called ice houses. Some of these ice houses were man-made underground chambers that were situated close to natural sources of ice, ...
Around 400 BC, Persians had invented a cooler that enabled them to store ice year-round. This cooler goes by the name of yakhchāl, which is a Persian word comprising of two words, ‘yakh’ meaning ice, ...
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