Seattle, WA, USA
Saint Petersburg, Saint Petersburg, Russian Federation
Saint Petersburg, Saint Petersburg, Russia
Barcelona, Catalonia, Spain
Essen, North Rhine-Westphalia, Germany
England, United Kingdom of Great Britain and Northern Ireland
Medford, MA, USA
Bochum, North Rhine-Westphalia, Germany
Lucca, Tuscany, Italy
Cambridge, Cambridgeshire, United Kingdom
Tuebingen, Baden-Wuerttemberg, Germany
Chicago, IL, USA