Mannheim, Baden-Württemberg, Germany
Silver Spring, MD, USA
Bochum, North Rhine-Westphalia, Germany
Severodvinsk, Russian Federation
Dortmund, North Rhine-Westphalia, Germany
Los Angeles, CA, USA
Berlin, Berlin, Germany
Hamburg, Hamburg, Germany
Lucerne, Lucerne, Switzerland
Chiang Mai, Thailand
kuala lunpur, Malaysia
