Ancient Roman architecture varying purposes and differed in design and construction. Along with theatres and amphitheatres, Circuses were one of the main entertainment sites of the time. Circuses were venues for chariot races, horse races, and performances that commemorated important events of the empire were performed there. For events that involved re-enactments of naval battles, the circus was flooded with water. The performance space of the Roman circus was normally, despite its name, an oblong rectangle of two linear sections of race track, separated by a median strip running along the length of about two thirds the track, joined at one end with
Ancient Roman pottery lamps'), a type which was popular in the military zones of the north-west Roman provinces during the 2nd century AD. One well-known name is that of "Fortis", and his products were evidently copied outside his own workshop in Italy – or perhaps Fortis had his own branch factories in the provinces. The Gaulish ' in the adjacent picture, found in London, is stamped on the base with the name of the maker Atimetus. In addition to the many basic lamp-shapes, which consisted of a rounded or ovoid body, with one or more projecting nozzles, and sometimes a handle, terracotta lamps