Cloister of <a href="//commons.wikimedia.org/wiki/San_Carlo_alle_Quattro_Fontane" title="San Carlo alle Quattro Fontane">San Carlo alle Quattro Fontane</a> (1638-1641) in Rome, designed by <a href="//commons.wikimedia.org/wiki/Francesco_Borromini" title="Francesco Borromini">Francesco Borromini</a>.
<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">Jastrow</a>
2006
<span class="int-own-work" lang="en">Own work</span>