Somerville, MA, USA
Washington, DC, USA
Boulder, Colorado, United States
Golden, CO, United States
Paris, Ile-de-France, France
Köln, Nordrhein-Westfalen, Germany
Bamberg, Bavaria, Germany
Amden, Sankt Gallen, Switzerland
Lueneburg, Lower Saxony, Germany
Rostock, Mecklenburg-Vorpommern, Germany
