Barcelona, Catalonia, Spain
Zurich, Zurich, Switzerland
Cardiff, Cardiff, Wales
Bern, Bern, Switzerland
Mellingen, aargau, Switzerland
Riegelsberg, Saarland, Germany
Oslo, Oslo, Norway
Melbourne, Victoria, Australia
Saint Petersburg, Russian Federation
Breda, Noord-Brabant, Netherlands
Amsterdam, Noord-Holland, Netherlands
Zürich, Zurich, Switzerland