Top of a metal chimney in the <a href="https://en.wikipedia.org/wiki/Landschaftspark_Duisburg-Nord" class="extiw" title="en:Landschaftspark Duisburg-Nord">Landschaftspark Duisburg-Nord</a>
<a href="//commons.wikimedia.org/wiki/User:H005" title="User:H005">H005</a>
2009-10-15
<span class="int-own-work" lang="en">Own work</span>