<a href="//commons.wikimedia.org/wiki/Milan" class="mw-redirect" title="Milan">Milan</a>, Italy: the scenographic dome of the baroque helicoidal stairs in <a href="//commons.wikimedia.org/w/index.php?title=Category:Palazzo_Erba_Odescalchi_in_Milan&amp;action=edit&amp;redlink=1" class="new" title="Category:Palazzo Erba Odescalchi in Milan (page does not exist)">Palazzo Erba Odescalchi</a> palace. The project is given to <a href="//commons.wikimedia.org/wiki/Pellegrino_Tibaldi" class="mw-redirect" title="Pellegrino Tibaldi">Pellegrino Tibaldi</a>. Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>, May 20 2007.
<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>