Mainz, Rhineland-Palatinate, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Berlin, Berlin, Germany
Leipzig, Sachsen, Germany
Rundu, Namibia
Jena, Thuringia, Germany
Frankfurt, Hesse, Germany
Cologne, North Rhine-Westphalia, Germany
Krasnoyarsk, Russian Federation
