Tübingen, Baden-Württemberg, Germany
Antalya, Alanya,okurcalar, Turkey
Bonn, Nordrhein-Westfalen, Germany
Groningen, Groningen, Netherlands
Santiago, Santiago Metropolitan Region, Chile
Den Haag, Zuid-Holland, Netherlands
Tallinn, Harju County, Estonia
Utrecht, Utrecht, Netherlands
Goteborg, Sweden
Amsterdam, Netherlands
Berlin, Berlin, Germany