Alsdorf, North Rhine-Westphalia, Germany
Maria Enzersdorf, Niederösterreich, Austria
Stuttgart, Baden-Wuerttemberg, Germany
Krefeld, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
Cologne, North Rhine-Westphalia, Germany
Bhaktapur, Central Development Region, Nepal
Hanover, Lower Saxony, Germany
Wien, Wien, Austria
Erfurt, Thuringia, Germany
Johannesburg, South Africa
Marbach am Neckar, Baden-Württemberg, Germany