Using No Electricity Ancient Refrigeration Technology

They have been using this in Mexico for centuries, works best in desert areas add some clay to the sand. And there is also an underground version used in high mountain areas

A Zeer Pot is an ancient device used to cool things. It was invented by the Egyptians about 2500 years before Christ was born. It works on the principle of evaporative cooling. It’s still in use today in North Africa and I’m going to tell you about it and show you how to make and use one.

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