Looking directly up the classical façade of S. Maria in Campitelli created some interesting vertiginous effects.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/93226994@N00">Anthony Majanlahti</a> from Rome, Italy
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/antmoose/11481237/">s maria in campitelli facade, up 3</a>