İstanbul, Turkey
Namur, Walloon Region, Belgium
Ottignies-Louvain-la-Neuve, Walloon Region, Belgium
Cambridge, England, United Kingdom of Great Britain and Northern Ireland
Brussels, Brussels, Belgium
Lviv, Lviv Oblast, Ukraine
Hamburg, Hamburg, Germany
Brussels, Brussels-Capital Region, Belgium
Graz, Styria, Austria
Eghezee, Namur, Belgium