Stream and black alders (<i><a href="//commons.wikimedia.org/wiki/Alnus_glutinosa" title="Alnus glutinosa">Alnus glutinosa</a></i>) in the nature reserve (german:Naturschutzgebiet) Zarth - a fenny forest, situated in the nature reserve (german:Naturpark) Nuthe Nieplitz at the border between the low Mountain rage <a href="https://en.wikipedia.org/wiki/Fl%C3%A4ming" class="extiw" title="en:Fläming">Fläming</a> and the glacial valley Baruther Urstromtal. It is part of the town <a href="https://en.wikipedia.org/wiki/Treuenbrietzen" class="extiw" title="en:Treuenbrietzen">Treuenbrietzen</a> in the district <a href="//commons.wikimedia.org/wiki/Landkreis_Potsdam-Mittelmark" title="Landkreis Potsdam-Mittelmark">Potsdam Mittelmark</a>, state <a href="//commons.wikimedia.org/wiki/Brandenburg" title="Brandenburg">Brandenburg</a>, Germany.
<a href="//commons.wikimedia.org/wiki/User:Lienhard_Schulz" title="User:Lienhard Schulz">Lienhard Schulz</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>