Mainz, Rhineland-Palatinate, Germany
Cologne, North Rhine-Westphalia, Germany
Amsterdam, Noord-Holland, Netherlands
Magdeburg, Sachsen-Anhalt, Germany
Berlin, Berlin, Germany
Heidelberg, Baden-Württemberg, Germany
Kassel, Hesse, Germany
Amsterdam, Amsterdam, Netherlands
Ciudad de México, Ciudad de México, Mexico
Wheat Ridge, CO, USA