Utrecht, Utrecht, Netherlands
Nijmegen, Gelderland, Netherlands
Berlin, Berlin, Germany
México, Distrito Federal, Mexico
Washington D.C., USA
Heidelberg, Baden-Wuerttemberg, Germany
Hamburg, Hamburg, Germany
Greensboro, NC, USA
Villahermosa, Tabasco, Mexico
Frankfurt am Main, Hessen, Germany
Saint Petersburg, Saint Petersburg, Russia
Leipzig, Sachsen, Germany