(Proposed renovation of Britain's only known Roman circus in Colchester.) The Roman circus served many purposes: it was the venue for chariot and horse races, gladiatorial performances, and public celebrations. There have been previous posts about the excavation of Roman ruins in Cholchester. (See post below.)   There has been a partial excavation of the only known Roman circus in Britain, located in Colchester. Plans are now underway to reroute a busy highway to uncove