Bochum, North Rhine-Westphalia, Germany
Goettingen, Lower Saxony, Germany
Poznań, Greater Poland Voivodeship, Poland
Bonn, Nordrhein-Westfalen, Germany
Dortmund, Nordrhein-Westfalen, Germany
Witten, North Rhine-Westphalia, Germany
Bristol, England, United Kingdom of Great Britain and Northern Ireland
Kiel, Schleswig-Holstein, Germany
City of Balanga, Central Luzon, Philippines
Gdynia, Pomerania, Poland
Düsseldorf, North Rhine-Westphalia, Germany