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
English Place-Name Society on names organised by region or by category (e.g. field-names), and some county dictionaries aimed mainly at a non-specialist audience. Most English counties are now covered by volumes in the place-name survey, although early volumes are not as detailed as the later ones. The Survey volumes for the North and East Ridings of Yorkshire and parts of the West Riding of Yorkshire are available free of charge on the English Place-Name Society website. From the 1960s there has been a change in the interpretation of some place-names, resulting from the detailed comparison of distributions of the place-name types which had