Ancient Terraces:
Agricultural and grazing terraces lie scattered across endless mountain sides in southern Africa. From studies of indicator species and erosion, we have established that some are more than 5000 years old while others are much older. Just in the area of Waterval Boven I have personally calculated that these terraces run for more than 50 kilometres. This would suggest that there was a very large population living here in antiquity who needed to be fed. Long before agriculture took root in the rest of the world. Who were they?
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