the colosseum in rome which still dominates the city

100 57m amphitheatre ancient arch architectural architecture arena baths built caesar city colosseum combat constantine contests crowd crowds culture days dominates duels emperor europe european famous fights flavian galleria getaway gladiators golden great hadrian height historic history house italian italy knowledge lake landmark lasted monument museum nero neros old roma romans rome ruin ruins sculpture site spectacles spectators statue temple testimony tombs tourism tourist travel trip vacation vespasian