Wrocław, Województwo dolnośląskie, Poland
Vientiane, Vientiane Prefecture, Lao People's Democratic Republic
Saint Petersburg, Saint Petersburg, Russian Federation
Bydgoszcz, Kujawy-Pomerania, Poland
Oslo, Oslo, Norway
Nijmegen, Gelderland, Netherlands
Holzwickede, North Rhine-Westphalia, Germany
Belgrade, Central Serbia, Serbia
Tienhoven, Utrecht, Netherlands
Gothenburg, Vastra Gotaland, Sweden
