Richborough Castle fighting moved north, Rutupiae became an increasingly large civilian settlement. There were temples, an amphitheatre (visible as a hummock in the grass 5 minutes walk from the main site), and a "mansio" (first built in 100, it was a building that went through several phases, being a hotel for visiting officials, bath house and administration building). As a port, the town always competed with Portus Dubris (modern Dover), about south along the coast. However, Richborough was widely regarded throughout the Roman Empire for the quality of its oysters. They are mentioned as on a par with those from the Italian
Port of Constanța the 6th century BC. The port-city was organised as an emporium to ease the trade between the Greeks and the local peoples. The Greek influence is maintained until the 1st century BC, when the territory between the Danube and the Black Sea was occupied by the Romans. The first years of Roman governorate were recorded by Ovid, who was exiled to Tomis for unknown reasons. In the next hundred years the port had a substantial development and the city changes its name to Constanța in honour of the Roman Emperor Constantine I. In the Byzantine period the evolution of the