Potsdam is a city of UNESCO World Heritage sites, a city of parks and palaces on the idyllic lakes of the Havel, a grand and historical city of culture, a center of film, education and science, characterized by a 1000-year-old history as a royal capital and State capital near Berlin. But this isn’t everything Potsdam has to offer. As of December 12th, 1990 Potsdam is a UNESCO World…