Stuttgart, Baden-Württemberg, Germany
Mannheim, Baden-Württemberg, Germany
Cologne, North Rhine-Westphalia, Germany
Donvale, Victoria, Australia
Duisburg, Nordrhein-Westfalen, Germany
helsinki, Finland
Bonn, North Rhine-Westphalia, Germany
Melbourne, Victoria, Australia
Seattle, WA, United States
Erfurt, Thuringia, Germany
Munich, Bavaria, Germany