45 years, Helsinki, Finland

Athins, Greece

61 years, Germany

Yaroslavl, Russia

Donetsk, Donetsk region

67 years, Ushachi, Belarus

30 years, Moscow, Russia

36 years, Stavropol, Russia

41 years, Gomel, Belarus

56 years, torrington, USA

60 years, ARIEL, Israel

54 years, Thessaloniki, Greece

64 years, Delft, Netherlands

54 years, Russia

42 years, Gomel, Belarus

38 years, Moscow, Russia

43 years, Germany

35 years, Novosibirsk, Russia

44 years, Russia

64 years, Егорьевск, Russia