This approach, followed in subsequent years by other caving clubs which joined exploration activity in different parts of Arabika, resulted in the discovery of many deep caves including five caves deeper than 1,000 m.In the Ortobalagan Valley, the Ukrainian cavers made breakthroughs in Kujbyshevskaja Cave at −160 m and pushed it to by 1986 through a series of massive boulder chokes.
This approach, followed in subsequent years by other caving clubs which joined exploration activity in different parts of Arabika, resulted in the discovery of many deep caves including five caves deeper than 1,000 m.In the Ortobalagan Valley, the Ukrainian cavers made breakthroughs in Kuybyshevskaya Cave at −160 m and pushed it to by 1986 through a series of massive boulder chokes.