Ceiling designed by Carlo Maderno (1556 - 1629) who created the facade of  St. Peter's Basilica. This church is off the beaten track but fabulous inside.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/69639562@N00">Addictive Picasso</a> from England
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/69639562@N00/864672814/">Rome: Chiesa Santa Susanna</a>