Roma, Colosseo.
Jerzy Strzelecki
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>,Jerzy Strzelecki; adjusted from original, see below by <a href="//commons.wikimedia.org/wiki/User:Amandajm" title="User:Amandajm">User:Amandajm</a>.