- Albany, New York, United States
- Bordeaux, Gironde, Aquitaine, France (1962)
- Calgary, Alberta, Canada (1956)
- Cannes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France
- Changchun, China
- Guanajuato, Guanajuato, Mexico (2002)
- Huế, Vietnam (2005)
- Iaşi, Romania
- Liège, Belgium (2002)
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- Montevideo, Uruguay (2000)
- Namur, Belgium (1999)
- Ouagadougou, Burkina Faso (2000)
- Paris, France (2003)
- Port Louis, Mauritius (1971)
- Sousse, Tunisia (2004)[4]
- St. Petersburg, Russia (2002)
- Xi'an, China (2001)
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