Pebble mosaic. Detail from the baroque garden in <a href="//commons.wikimedia.org/wiki/Isola_Bella_(Stresa)" title="Isola Bella (Stresa)">Isola Bella (Stresa)</a> (Italy). Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>, April 5 2003.
<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>