16 years, Russia

10 years, Russia

25 years, Chelyabinsk, Russia

31 years, Russia

21 years, Russia

22 years, Yekaterinburg, Russia

25 years, Chelyabinsk, Russia

39 years, Kokhtla-Yarve, Estonia

28 years, Берисоёвски, Russia

35 years, Kishinev (Chișinău), Moldova

39 years, Tallinn, Estonia

35 years, Moldova

35 years, Israel

30 years, g. Gubakha (Permskiy kray), Russia

35 years, Kishinev (Chișinău), Moldova

40 years, Azerbaijan

35 years, Moldova

38 years, Estonia

16 years, Russia

32 years, сантпетирбук, Russia