The columns of the temple of Antoninus and Faustina, Forum Romanum. The green structure in background is the top of the lift to the roof of the "Vittoriano". Rome, Italy.
<a href="//commons.wikimedia.org/wiki/User:Jebulon" title="User:Jebulon">Jebulon</a>
<span class="int-own-work" lang="en">Own work</span>