Trondheim, Sør-Trøndelag, Norway
Copenhagen, Capital Region of Denmark, Denmark
Zaragoza, Aragón, Spain
Riga, Riga, Latvia
Emilia-Romagna, Italy
Milano, Lombardia, Italy
Aalborg, North Denmark Region, Denmark
Madrid, Community of Madrid, Spain
Arezzo, Tuscany, Italy
Le Blanc-Mesnil, Île-de-France, France
