Madrid, Community of Madrid, Spain
Flensburg, Schleswig-Holstein, Germany
Aachen, NRW, Germany
Johannesburg, Gauteng, South Africa
Lima, Lima Metropolitan Area, Peru
Berlin, Berlin, Germany
Buenos Aires, Autonomous City of Buenos Aires, Argentina
Haro, La Rioja, Spain
Cuenca de Pamplona, Navarre, Spain
Flensburg, Germany
