Warsaw, Masovian Voivodeship, Poland
Freiberg, Sachsen, Germany
Leipzig, Saxony, Germany
Bochum, North Rhine-Westphalia, Germany
Bern, Bern, Switzerland
Hamburg, Hamburg, Germany
Chazelles-sur-Lyon, Rhône-Alpes, France
Nußloch, Baden-Wuerttemberg, Germany
Auckland, Auckland, New Zealand
Montréal, Québec, Canada
Lisbon, Lisbon, Portugal
Zürich, Zürich, Switzerland
