Kassel, Hesse, Germany
Bonn, Nordrhein-Westfalen, Germany
London, England, United Kingdom of Great Britain and Northern Ireland
Barcelona, Catalonia, Spain
Prague, Prague, Czechia
Heidelberg, Baden-Württemberg, Germany
Duesseldorf, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
Bonn, North Rhine-Westphalia, Germany
Cologne, North Rhine-Westphalia, Germany
Groningen, Netherlands
