Baptismal fonts in the Saint Peter's Basilica. Vatican City. Some theory says it may have been the sarcophagus of Emperor Hadrian, from the Mausoleum of Hadrian.
<a href="//commons.wikimedia.org/wiki/User:Jebulon" title="User:Jebulon">Jebulon</a>
2013-08-23 16:57:50
<span class="int-own-work" lang="en">Own work</span>