Pordenone, Friuli-Venezia Giulia, Italy
Darmstadt, Hesse, Germany
Istanbul, İstanbul, Turkey
İstanbul, Turkey
Ispra, Italy
Riga, Riga, Latvia
Aveiro, Aveiro, Portugal
Tallinn, Harju county, Estonia
Istanbul, Istanbul, Turkey
Liverpool, England, United Kingdom
Aix-en-Provence, Provence-Alpes-Côte d'Azur, France