Philadelphia, Pennsylvania, United States
Warsaw, Mazovia, Poland
Budapest, Budapest, Hungary
Odense, Denmark, Denmark
Wrocław, Województwo dolnośląskie, Poland
England, United Kingdom of Great Britain and Northern Ireland
Stuttgart, Baden-Wuerttemberg, Germany
Darmstadt, Hesse, Germany
Valmiera, Valmieras pilsēta, Latvia
Somerville, MA, USA
Leiden, Zuid-Holland, Netherlands
