The Western Roman Empire may have fallen more than 1,500 years ago, but its rich legacy of innovation and invention can still be seen today. The Romans were prodigious builders and expert civil engineers, and their thriving civilization produced advances in technology, culture and architecture that remained unequaled for centuries.
Roman bicircumvallation. A circumvallation is a line of fortifications, built by the attackers around the besieged fortification facing towards the enemy fort. The resulting fortifications are known as 'lines of circumvallation'. They generally consist of earthen ramparts and entrenchments that encircle the besieged city. The line of circumvallation can be used as a base for launching assaults against the besieged city or for constructing further earthworks closer to the city.
Leptis Magna The ancient port, with its artificial basin of some 102,000 m2, still exists with its quays, jetties, fortifications, storage areas and temples. Dug under Nero and organized under Septimius Severus, it is one of the chefs d'oeuvre of Roman technology with its barrage dam and its canal designed to regulate the course of Wadi Lebda, the dangerous torrent that empties into the Mediterranean to the west