Warsaw, Masovian Voivodeship, Poland
Santander, Cantabria, Spain
Heidelberg, Germany
Alcala de Henares, Madrid, Spain
Sesto Fiorentino, Tuscany, Italy
Warszawa, mazowieckie, Poland
Guayaquil, Guayas, Ecuador
Luxembourg, Distrikt Lëtzebuerg, Luxembourg
Cagliari, Metropolitan City of Cagliari, Italy
Bratislava, Bratislava Region, Slovakia
Ruciane-Nida, Warmian-Masurian Voivodeship, Poland
Dublin, Ireland
