In Belgium, a Roman water pipe made from hollow tree trunks was recently unearthed near what may be a water pumping system. The pipe likely dates back between the 2nd and 3rd centuries C.E. It was ...

But in 1937 a Roman complex with 16 water wheels was found in Barbegal in southern France – the largest ancient water-powered factory found anywhere in the world. Now it has been shown that the ...