Cologne, North Rhine-Westphalia, Germany
Helsinki, Uusimaa, Finland
Sottrum, Lower Saxony, Germany
Didcot, England, United Kingdom of Great Britain and Northern Ireland
Bonn, North Rhine-Westphalia, Germany
Hannover, Niedersachsen, Germany
Passau, Bavaria, Germany
Hamburg, Hamburg, Germany
Bilbo, Euskadi, Spain
Burnaby, British Columbia, Canada