Lisbon, Lisbon, Portugal
Dublin, Ireland
Warsaw, Mazovia, Poland
Krakow, Lesser Poland, Poland
Izmit, Kocaeli, Turkey
L'Aquila, Abruzzo, Italy
Bilbao, Basque Country, Spain
Warsaw, Masovian Voivodeship, Poland
Nizhny Novgorod, Nizhny Novgorod Oblast, Russian Federation
Cascais, Lisbon, Portugal