Stuttgart, Baden-Wuerttemberg, Germany
Chetumal, Quintana Roo, Mexico
Hamburg, Hamburh, Germany
Karlsruhe, Baden-Württemberg, Germany
Saint-Cere, Midi-Pyrenees, France
Stuttgart, Baden-Württemberg, Germany
Haarlem, North Holland, Netherlands
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Tlaltelulco, Tlaxcala, Mexico
Melbourne, Victoria, Australia
