Bobrovec, Žilina Region, Slovakia
Warsaw, Mazovia, Poland
Geneston, Pays de la Loire, France
Juelich, North Rhine-Westphalia, Germany
Groningen, Groningen, Netherlands
Gent, East-Flanders, Belgium
Poulsbo, WA, United States
Pilsen, Plzeň Region, Czech Republic
Bratislava, Bratislavský kraj, Slovakia
Odemira, Beja District, Portugal