Ravensburg, Baden-Wuerttemberg, Germany
Northfield, MN, United States
Munich, Bavaria, Germany
Sydney, New South Wales, Australia
Greifswald, Mecklenburg-Vorpommern, Germany
Philadelphia, PA, USA
Northfield, MN, USA
Boulder, Colorado, United States
Bonn, North Rhine-Westphalia, Germany
Köln, Nordrhein-Westfalen, Germany
