Where are the swans from Lake Tegel Ten years ago there were dozens in the north of Berlin, but today you only see three or four on a good day. Is this also a consequence of man-made environmental pollution? Quite the opposite! The absence of swans is even a good sign for water quality in the lake, as pointed out by bird protection expert Frank Sieste from the NABU Berlin-Reinickendorf district group. The Reinickendorf newsletter of the Tagesspiegel reports on this in its current issue (available in full at tagesspiegel.de/bezirke).
