In the first century AD, the Romans built an aqueduct from the source of Tibiran. Its low water flow (3,000 m3 /day) was sufficient to supply Lugdunum Convenarum, now renamed Saint-Bertrand en...
In the first century AD, the Romans built an aqueduct from the source of Tibiran. Its low water flow (3,000 m3 /day) was sufficient to supply Lugdunum Convenarum, now renamed Saint-Bertrand en...