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    This Tower Pulls Drinking Water Out of Thin Air ...Apr 08, 2014"[In Ethiopia], public infrastructures do not exist and building [something like] a well is not easy," Vittori says of the country. "To find water, you need to drill in the ground very deep, often ...African Iron Age - 1,000 Years of African KingdomsJan 24, 2020The earliest smelt ...
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African Iron Age - 1,000 Years of African Kingdoms

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