Freiburg, Baden-Württemberg, Germany
Ibbenbüren, North Rhine-Westphalia, Germany
Wiesbaden, Hessen, Germany
Rehetobel, Appenzell Ausserrhoden, Switzerland
Dortmund, North Rhine-Westphalia, Germany
Richmond, VA, USA
Bremen, Bremen, Germany
Düsseldorf, North Rhine-Westphalia, Germany