20 years, Stakhanov

21 years, Oslo

34 years, Krasnyy Luch

28 years, g. Bratsk (Irkutskaya oblast′)

Kirov (Kaluga region)

19 years, g. Efremov (Efremovskiy rayon)

22 years, g. Bratsk (Irkutskaya oblast′)

33 years, g. Svobodnyy (Amurskaya oblast′)

18 years, s. Bagan (Baganskiy rayon)

35 years, Novosibirsk

24 years, g. Buzuluk (Buzulukskiy rayon)

31 years, g. Achinsk (Krasnoyarskiy kray)

21 years, Chita

Omsk