“Old highrise of members of parliament”, Platz der Vereinten Nationen 1, <a href="https://en.wikipedia.org/wiki/Bonn" class="extiw" title="en:Bonn">Bonn</a>-Gronau; now used as office building by the secretary of the <a href="https://en.wikipedia.org/wiki/United_Nations_Framework_Convention_on_Climate_Change" class="extiw" title="en:United Nations Framework Convention on Climate Change">United Nations Framework Convention on Climate Change</a> and part of the “UN-Campus”
<a href="//commons.wikimedia.org/wiki/User:Hasenl%C3%A4ufer" title="User:Hasenläufer">Eckhard Henkel</a>
CC BY-SA 3.0 de
<span class="int-own-work" lang="en">Own work</span>