Germany, June 29 -- Two years after the foundation stone was laid, Siemens has reached an important milestone in the development of Siemensstadt Square with the topping-out ceremony for the atrium building and the high-rise. At the same time, it marks the beginning of a new phase for the 76-hectare site in Berlin's Spandau district. With 3,750 apartments, Siemensstadt Square offers significantly more living space than originally planned. That's one outcome of the framework plan that has been further developed over the past few months together with the State of Berlin and the Spandau district. In addition to housing, space for innovation and for industrial value creation are other key aspects. Open innovation campusThe new buildings at the f...