27 years, Vanadzor (Kirovakan), Armenia

110 years, Yerevan, Armenia

Yerevan, Armenia

27 years, Astana, Kazakhstan

33 years, Chiatura, Georgia

39 years, Tashkent, Uzbekistan

37 years, Yerevan, Armenia

26 years, Bel′mopan, Belize

Yerevan, Armenia

33 years, Moscow, Russia

10 years, Moscow, Russia

43 years, Moscow, Russia

62 years, Rostov-on-Don, Russia

50 years, Turkey

48 years, Baku, Azerbaijan

26 years, Moscow, Russia

13 years, Tbilisi, Georgia

Saint Petersburg, Russia

33 years, Irkutsk, Russia

31 years, Yerevan, Armenia