A mysterious 4,000-year-old wall is rewriting North Africa’s history

In the hills of north-west Morocco, overlooking the river that gives the site its name, research at Oued Beht is bringing to light a previously unknown chapter of the region’s past. The discovery of a substantial built structure suggests that, during the second millennium BC, communities in north-west Africa were actively shaping their environment. They were also engaging in broader networks of interaction across the Mediterranean world.

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