Detail from the walls of the <a href="//commons.wikimedia.org/wiki/Castello_Ursino_a_Catania" class="mw-redirect" title="Castello Ursino a Catania">Castello Ursino</a> castle in <a href="//commons.wikimedia.org/wiki/Catania" title="Catania">Catania</a>, Italy. Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>, October 2 2006.
<a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">G.dallorto</a>
Attribution
Self-published work by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">G.dallorto</a>