Saint Petersburg, Saint Petersburg, Russian Federation
Copenhagen, Capital Region of Denmark, Denmark
Haifa, Haifa District, Israel
Москва, Russian Federation
Xiamen, Fujian, China
Sevastopol, Crimean Autonomous Republic, Ukraine
New Haven, CT, USA
Heidelberg, Baden-Württemberg, Germany
Fribourg, Fribourg, Switzerland
Athens
Somerville, MA, USA
Gießen, Hessen, Germany
