Musei Vaticani
<a rel="nofollow" class="external text" href="https://web.archive.org/web/20161029102823/http://www.panoramio.com/user/7955631?with_photo_id=102837735">Pierfelice Licitra</a>
CC BY 3.0
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20161029102822/http://www.panoramio.com/photo/102837735">https://web.archive.org/web/20161029102822/http://www.panoramio.com/photo/102837735</a>