Bonn, Nordrhein-Westfalen, Germany
Erfurt, Thuringia, Germany
Golden, CO, USA
Auckland, Auckland, New Zealand
Heidelberg, Baden-Württemberg, Germany
Stellenbosch, Western Cape, South Africa
Goettingen, Lower Saxony, Germany
Bonn, North Rhine-Westphalia, Germany
State of São Paulo, Brazil
Quebec City, Quebec, Canada
Calhan, CO, USA
