Dubna, Moscow Oblast, Russian Federation
Kharkiv, Kharkiv Oblast, Ukraine
Tula, Tula Oblast, Russian Federation
London, England, United Kingdom of Great Britain and Northern Ireland
Slovenska Bistrica, Slovenia
Moscow, Moscow, Russian Federation
Darmstadt, Hesse, Germany
Freiberg, Sachsen, Germany
Eilat, South District, Israel
Sanya, China
Tbilisi, Tbilisi, Georgia