November 4 1989 Berlin, presumably Alexanderplatz Created By: Peter R. Asche
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Protest sign depicting a duck bearing the inscription "ADN" [German General News Service] during the Alexanderplatz Demonstration, the "largest, non state-run protest(s) in the history of the GDR" (retrieved and translated from Wikipedia: Alexanderplatz-Demonstration, on April 23, 2009).