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Roman soldiers used this built-in fridge to keep their wine cool
- jkic47 3y agoI've seen versions of this in Asia. They used a porous pot into which they put the container of stuff they wanted to cool. As the water evaporated, it cooled the water, which cooled the container, which cooled the contents. I still remember drinking what felt like an icy drink compared to the ridiculously high temperatures outside. Happy days...
- ogora 3y agoIt's definitely more sophisticated than dipping a vessel into a river overnight... which is the only other "ancient refrigerator" I know about.