Madrid, Madrid, Spain
Oslo, Oslo, Norway
Berlin, Berlin, Germany
Düsseldorf, Nordrhein-Westfalen, Germany
Bonn, Nordrhein-Westfalen, Germany
Atchison, KS, USA
Heidelberg, Baden-Württemberg, Germany
Trondheim, Sør-Trøndelag, Norway
Bonn, North Rhine-Westphalia, Germany
Austin, Texas, United States
Bietigheim-Bissingen, Baden-Wuerttemberg, Germany