Bonn, Nordrheinwestfalen, Germany
Amsterdam, Netherlands
Cologne, North Rhine-Westphalia, Germany
Aberdeen, Scotland, United Kingdom of Great Britain and Northern Ireland
Bern, Canton of Bern, Switzerland
Paris, France
Isleworth, Greater London, United Kingdom of Great Britain and Northern Ireland
Siena, Tuscany, Italy
Berlin, Berlin, Germany
Maastricht, Netherlands