29 years, Riga

26 years, Gorlovka

27 years, Volgograd

43 years, Kostroma

66 years, s. Tukan (Beloretskiy rayon)

69 years, Astrakhan

27 years, g. Tara (Tarskiy rayon)

21 years, Nizhnekamsk

g. Kstovo (Kstovskiy rayon)

21 years, g. Syzran′ (Samarskaya oblast′)

24 years, Nizhny Novgorod

37 years, Nizhny Novgorod

45 years, Nizhny Novgorod

37 years, Saint Petersburg