Cosmatesque mosaic in the <a href="//commons.wikimedia.org/wiki/Baptistry" class="mw-redirect" title="Baptistry">Baptistry</a> in the <a href="//commons.wikimedia.org/wiki/Duomo_di_Siracusa" class="mw-redirect" title="Duomo di Siracusa">Cathedral of Siracusa</a>, Italy. It dates from the Norman period (12th century).
<a href="//commons.wikimedia.org/wiki/User:Sailko" title="User:Sailko">sailko</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>