mosaic depicting a ship over the sea, piazza delle gilde or guilds, excavations of ostia antica, rome,

abstract ancient antique antiquity archaeology architecture art background beauty brick bright city civilization closeup craft culture design destination detail empire famous field floor geometry grunge historic landmark landscape lifestyle light marine material mosaic nature nobody ocean old ostia outdoors park past pattern pool raw river rock roman rome ruin scene sea settlement ship sightseeing site stone surface texture tile tourism town tradition travel vacation water