București, Municipiul București, Romania
Warsaw, Mazovia, Poland
Watertown, MA, USA
Bergamo, Lombardia, Italy
Sheffield, South Yorkshire, United Kingdom of Great Britain and Northern Ireland
Bremerhaven, Bremen, Germany
Chicago, IL, USA
Xian, Shaanxi, China
Shanghai, Shanghai Municipality, China
Bremerhaven, Germany
Berkeley, California, United States
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
