the first sunlight drift on the gnats Pohl in Rahden - Varl ; This was in 1936 designated as a nature reserve and is one of the oldest nature reserves in Westphalia .
<a href="//commons.wikimedia.org/wiki/User:Fotoscotty" title="User:Fotoscotty">Fotoscotty</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>