The Roman frontier In Dacia combined several elements, each relating to the landscape: there were riverain and mountain borders, some supplemented by linear barriers, and all connected by roads. The complex system of the border consisted primarily of a network of watchtowers, smaller or larger forts...

The Roman frontier In Dacia combined several elements, each relating to the landscape: there were riverain and mountain borders, some supplemented by linear barriers, and all connected by roads. The complex system of the border consisted primarily of a network of watchtowers, smaller or larger forts and artificial earthen ramparts or stone walls.