Aalen, Baden-Württemberg, Germany
Lingen, Lower Saxony, Germany
Magdeburg, Saxony Anhalt, Germany
Bialystok, Podlaskie, Poland
Frankfurt, Hesse, Germany
Bonn, Nordrhein-Westfalen, Germany
Bonaduz, Graubünden, Switzerland
Tübingen, Baden-Württemberg, Germany