Madrid, Comunidad de Madrid, Spain
Paris, Île-de-France, France
Eindhoven, North Brabant, Netherlands
Sønderborg, Southern Denmark, Denmark
Singapore, Central Region, Singapore
Delft, Zuid-Holland, Netherlands
Leuven, Flemish Brabant, Belgium
Darmstadt, Hessen, Germany
Quito, Pichincha, Ecuador
Rijswijk, Zuid-Holland, Netherlands
Copenhagen, Capital Region of Denmark, Denmark
