Der Inselteich

Not far from Berlin there is pure nature here and you can also get there by S-Bahn.

Berlin and still experiencing pure nature."The Karower ponds are located at the transition from the Barnim to the Berlin glacial valley.The Panke and Lietzengraben, which came from the loamy sandy plateau, dug meltwater channels through the up to ten meters deep Sander, later they silted up and formed fens. In the 19th century, the two streams were straightened and peat extraction began, creating the island pond in the northwest and the western pond in the southwest, the duck pond in the northeast and the reed pond in the southeast in 1911 for fish farming. "Source: Wikipedia

One, the Karower fishponds. Once upon a time, great egrets can be seen.