<b>"Where is my umbrella?"</b> Important piece of contemporary art on display in the entrance hall of the Fridericianum at the <b>documenta X</b> in Kassel 1997. Various unknown authors.
<a href="//commons.wikimedia.org/wiki/User:AlMare" title="User:AlMare">AlMare</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>