detail of the facade with arches of the colosseum (amphitheatrum flavium) with trees in front seen from colle oppio

amphitheater amphitheatre ancient antique arch archeology architecture arena blue building city coliseum colosseum column culture day empire europe european exterior famous forum gladiator heritage historic historical history italian italy landmark monument old outdoor roma roman rome ruin sky stadium stone summer theater tourism tourist travel vacation view detail facade arches amphitheatrum flavium trees front colle oppio cloudy