Toronto, Ontario, Canada
Menlo Park, CA, USA
Chennai, Tamil Nadu, India
Aurora, CO, USA
Sydney, New South Wales, Australia
Erfurt, Thuringia, Germany
Bogota, Distrito Capital, Colombia
Bielefeld, North Rhine-Westphalia, Germany
Qingdao, Shandong, China
Berlin, Berlin, Germany
Cologne, North Rhine-Westphalia, Germany