Relics of the <a href="//commons.wikimedia.org/wiki/Opus_sectile" class="mw-redirect" title="Opus sectile">Opus sectile</a> floor. formerly belonging to the <a href="//commons.wikimedia.org/wiki/Paleochristian" class="mw-redirect" title="Paleochristian">paleochristian</a> <a href="//commons.wikimedia.org/wiki/Basilica" class="mw-redirect" title="Basilica">basilica</a> of <a href="//commons.wikimedia.org/wiki/Santa_Tecla_a_Milano" class="mw-redirect" title="Santa Tecla a Milano">Santa Tecla in Milan (Italy)</a>. It is seen through a (rather sale) glass in the "Duomo" subway station. Picture by <a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>, January 23 2008.
<a href="//commons.wikimedia.org/wiki/User:G.dallorto" title="User:G.dallorto">Giovanni Dall'Orto</a>
Attribution
<span class="int-own-work" lang="en">Own work</span>