20 years, g. Belovo (Kemerovskaya oblast′), Russia

23 years, Russia

27 years, g. Arsen′ev (Primorskiy kray), Russia

40 years, Saint Petersburg, Russia

g. Krasnovishersk (Krasnovisherskiy rayon), Russia

Mirgorod, Ukraine

g. Pervoural′sk (Sverdlovskaya oblast′), Russia

16 years, Russia

37 years, g. Sovetsk (Kaliningradskaya oblast′), Russia

46 years, India

23 years, Russia

33 years, Osh, Kyrgyzstan

37 years, Belarus

79 years, g. Tikhoretsk (Tikhoretskiy rayon), Russia

27 years, Russia

43 years, g. Orsk (Orenburgskaya oblast′), Russia

36 years, Switzerland

23 years, Canada

36 years, Pskov, Russia

61 years, Simferopol, Republic of Crimea