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How the Berber peoples moved water under the desert
The Almoravids went from being desert nomads to empire builders. Gus Casely-Hayford describes how they managed to control not just the trans-Saharan gold trade, but the key to life itself. Underground irrigation channels, called khettara, ensured they could move the precious resource to where it was needed.
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This clip is from
More clips from Lost Kingdoms of Africa
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Benin Plaques—Series 1, West Africa
Duration: 01:42