colosseum or coliseum flavian amphitheatre or amphitheatrum flavium also anfiteatro flavio or colosseo. oval amphitheatre in rome

colosseum or coliseum flavian amphitheatre amphitheatrum flavium also anfiteatro flavio colosseo oval rome centre city italy europe italian famous ancient monument architecture roman old ruin arena history amphitheater historical tourism building roma historic gladiator stadium stone empire forum arch exterior outdoor theater cityscape brick heritage landmark nobody no people