Stockholm, Sweden
Barcelona, Spain
Rust, Germany
Warsaw, Poland
Hamburg, Germany
Valletta, Malta
Berlin, Germany
Gdańsk, Poland
Dublin, Ireland
Madrid, Spain
London, United Kingdom
Helsinki, Finland
Paris, France
Berlin, Germany
Copenhagen, Denmark
Cologne, Germany
Munich, Germany
Valencia, Spain
Hamburg, Germany
Lisbon, Portugal
Helsinki, Finland
London, United Kingdom
London, United Kingdom
Berlin, Germany
Antwerp, Belgium
Karlsruhe, Germany
Brussels, Belgium
Sankt Augustin, Germany
Cologne, Germany
Amsterdam, Netherlands
Copenhagen, Denmark
Hanover, Germany
Berlin, Germany
London, United Kingdom
Nuremberg, Germany
Mainz, Germany
European city (rotating), Various
Tallinn, Estonia
Berlin, Germany
London, United Kingdom
London, United Kingdom
Oslo, Norway
Berlin, Germany
European city (rotating), Various
Maribor, Slovenia
Wrocław, Poland
Dublin, Ireland