- Alcalá de Henares, Spain (2001)
- Brest, Belarus (2009)
- Debrecen, Hungary (1995)
- Delmenhorst, Germany (1992)
- Erie, Pennsylvania, United States (1998)
- Lancaster, United Kingdom (1994)
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- Luhans'k, Ukraine (1996)
- Lutsk, Ukraine (1996)
- L'viv, Ukraine (2004)
- Münster, Germany (1991)
- Nancy, France (1988)
- Nykøbing Falster, Denmark (1992)
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- Panevėžys, Lithuania (1999)
- Pernik, Bulgaria (2001)
- Rishon Lezion, Israel (1992)
- Starobilsk, Ukraine (1996)
- Tilburg, the Netherlands (1996)
- Viseu, Portugal (1998)
- Windsor, Canada (2000)
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