Berlin, Berlin, Germany
Amsterdam, North Holland, Netherlands
Utrecht, Noord-Holland, Netherlands
Bonn, North Rhine-Westphalia, Germany
Maastricht, Limburg, Netherlands
Zielona Goóra, Lubuskie, Poland
Aachen, Nordrhein-Westfalen, Germany
La Linea de la Concepción, Andalucía, Spain
Hamilton, Ontario, Canada
Mexico City, Distrito Federal, Mexico
Nijmegen, Netherlands
Turin, Piemonte, Italy