National Research Council of Italy (Consiglio Nazionale delle Ricerche)

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4,000-year-old wall at Oued Beht is North Africa's oldest defensive structure outside Egypt

Announced the finding and employs the study's lead author

In the 1930s, the French archaeologist Armand Ruhlmann mapped three walls across a ridge above the Oued Beht river in northwest Morocco and guessed they were defensive. Nobody could date them. New excavations and 17 radiocarbon dates place the ditch and rampart at 3,500 to 4,000 years old, making it the oldest defensive construction found in North Africa outside the Nile Valley.

Updated Nov 1