Basilica di San Vitale, Ravenna Italy
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/26986509@N00">Alessandro Blasi</a> from Rieti, Italy
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/alessandrobl73/5823915184/">San Vitale</a>