mosaic depicting marine life with two dolphins, piazza delle gilde or guilds, ostia antica excavations, rome, italy

abstract ancient antique antiquity archeology architecture art background beach beauty brick bright city civilization closeup craft culture destination detail dolphin famous field fish floor flow focus geometry grunge historic lake landmark landscape lifestyle light marine material monument mosaic nature nobody ocean old outdoor outdoors park pattern pool raw reflection representation river rock roman ruin scene sea sightseeing site stone stream surface texture tile tourism town travel vacation water wave