Basel, Switzerland
Cairo, Egypt
Addis Ababa, Addis Ababa, Ethiopia
Reggello, Italy
Melbourne, Victoria, Australia
Berlin, Berlin, Germany
Menges, Osrednjeslovenska, Slovenia
Heidelberg, Germany
Arcata, California, United States
Limburg an der Lahn, Hessen, Germany
Yerevan, Yerevan, Armenia
Dortmund, North Rhine-Westphalia, Germany
