<a href="https://en.wikipedia.org/wiki/Two_Prudential_Plaza" class="extiw" title="en:Two Prudential Plaza">Two Prudential Plaza</a>, Chicago, IL, USA
<a href="//commons.wikimedia.org/wiki/User:Jcrocker" title="User:Jcrocker">J. Crocker</a>
Attribution
J. Crocker