Fish ladder at a former water mill on Nebel river in Kölln, <a href="//commons.wikimedia.org/wiki/Mecklenburg-Vorpommern" title="Mecklenburg-Vorpommern">Mecklenburg-Vorpommern</a>, <a href="//commons.wikimedia.org/wiki/Germany" class="mw-redirect" title="Germany">Germany</a>.
<a href="//commons.wikimedia.org/wiki/User:Niteshift" title="User:Niteshift">Niteshift</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Niteshift" title="User talk:Niteshift"><span class="signature-talk">talk</span></a>)
CC BY 3.0
<span class="int-own-work">Self-photographed</span>