Electric-free Refrigeration

That is one of the most fantastic discovery I have seen in weeks!!!

Nigerian inventor, Mohammed Bah Abba, of Mobah Rural Horizons, has received awards for his simple-to-implement invention of and evaporative cooler consisting of one pot inside another, with wet river sand in between and a damp cloth (or jute bag) on top. When kept in a dry, well-ventilated, and shady location, water evaporates, cooling the inner container.
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