Bernar Venet, arcs in disorder, 2006, exhibition 2007 MKM Museum Kueppersmühle Duisburg, germany
<a href="//commons.wikimedia.org/wiki/User:Nomo" title="User:Nomo">nomo</a>/michael hoefner, <a rel="nofollow" class="external free" href="http://www.zwo5.de">http://www.zwo5.de</a>
CC BY 3.0
<span class="int-own-work">Self-photographed</span>