porta nigra in trier, germany rheinland-pfalz land.. ancient ruins of roman empire

ancient architecture augusta blue city cityscape cloudy cobblestone color colored culture dauwn dusk empire europe facade famous gate german germany heritage history hour illuminated legion market medieval mosel moselle multi night nigra old outdoors place porta rheinlandpfalz rhineland rhinelandpalatinate roman rome sightseeing site square stall tower town travel treverorum trier twilight unesco valley vibrant