the arch of constantine is a great example of ancient architectural masterpieces, rome, italy

arch constantine colosseo colosseum italia italy parco del celio piazza pinus pinea roma roman forum rome ruins triumphal sacra triumphalis ancient archaeological site architecture arena building district dusk europe evening exterior facade foundation garden highlights hill house landmark limestone museum old town park pine tree rock ruined sightseeing stone symbol tourism travel tuff urban great architectural masterpieces