Copenhagen, Capital Region of Denmark, Denmark
Halle (Saale), Sachsen-Anhalt, Germany
Keltern, Baden-Wuerttemberg, Germany
Brussels, Brussels, Belgium
Mainz, Rhineland-Palatinate, Germany
Caracas, Distrito Capital, Venezuela
Karlsruhe, Baden-Württemberg, Germany
London, London, England
Rome, Lazio, Italy
Bogotá, Colombia
Geneva, Switzerland
