Subway station ("Green" line)  in <a href="//commons.wikimedia.org/wiki/Milan" class="mw-redirect" title="Milan">Milan</a>, Italy. Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>
<a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>
CC BY-SA 2.5 it
<span class="int-own-work" lang="en">Own work</span>