Berlin, Berlin, Germany
Richardson, Texas, United States
Oldenburg, Lower Saxony, Germany
Osnabrueck, Lower Saxony, Germany
Sindelfingen, Baden-Württemberg, Germany
Prague, Prague, Czech Republic
Mainz, Rhineland-Palatinate, Germany
Lund, Skane, Sweden
Osnabrück, Lower Saxony, Germany
Leipzig, Saxony, Germany