Roman Mill Complex at Barbegal

Castellum Divisorium at Pompeii

This model depicts the incredible Roman watermill complex at Barbegal, France. At this facility, 16 overshot waterwheels were arranged like a flight of stairs on a hillside. The wheels drove 16 millstones, which milled enough flour to feed the nearby city of Arles–and then some. This was the ancient world’s most impressive power production facility.

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