In the Nekujbyshevskaja Branch, a group led by Kyryl Markovskoy broke through the boulder choke at −640 m and explored a continuation to −1,004 m.==== 2007 ====* January: the CAVEX team expedition.
In the Nekuybyshevskaya Branch, a group led by Kyryl Markovskoy broke through the boulder choke at −640 m and explored a continuation to −1,004 m.==== 2007 ====* January: the CAVEX team expedition.