Houston, TX, U.S.A.
Saint Petersburg, Saint Petersburg, Russian Federation
Amman, Jordan
Tallinn, Harju county, Estonia
Cologne, Germany
Gent, East-Flanders, Belgium
Cologne, North Rhine-Westphalia, Germany
Sankt-Peterburg, Saint Petersburg, Russian Federation
Bristol, England, United Kingdom of Great Britain and Northern Ireland
Durham, County Durham, United Kingdom
Sankt-Peterburg, St Petersburg, Russian Federation
Pamplona, Navarre, Spain
