Saarbruecken, Saarland, Germany
Villelaure, Provence-Alpes-Côte d'Azur, France
Marseille, Provence-Alpes-Cote d'Azur, France
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Mexico City, Federal District, Mexico
Haarlem, Noord-Holland, Netherlands
Saint Michel l'Observatoire, France, France
Basel, Switzerland
Wolsfeld, Rheinland-Pfalz, Germany
Duesseldorf, North Rhine-Westphalia, Germany
Vienna, Vienna, Austria
