Copenhagen, Capital Region of Denmark, Denmark
Dresden, Saxony, Germany
Heidelberg, Baden-Wuerttemberg, Germany
Leipzig, Saxony, Germany
Marburg, Hesse, Germany
Verona, Veneto, Italy
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Marburg, Hessen, Germany
Tuebingen, Baden-Wuerttemberg, Germany
Val-Morin, Quebec, Canada
Köln, Nordrhein-Westfalen, Germany