45 years, Chita

52 years, Aksukent (Belyye vody)

Stavropol

24 years, Orenburg

34 years, Omsk

49 years, Chelyabinsk

37 years, Irkutsk

43 years, Tyumen

48 years, Novosibirsk

48 years, Novosibirsk

68 years, Ivanovo

43 years, Chita

46 years, Belgorod

49 years, Chelyabinsk

57 years, Irkutsk

38 years, Нерчинск

37 years, Irkutsk

64 years, Moscow

21 years, Moscow

37 years, Irkutsk