Kola Superdeep Borehole Hell
Oct. 4, 2024
The deepest hole we have ever dug - BBC Future Behind Yuri Smirnov and the Kola Superdeep Borehole | Topic The Siberian Hell Sounds Kola Superdeep Borehole Hell
Oct. 4, 2024
The deepest hole we have ever dug - BBC Future Behind Yuri Smirnov and the Kola Superdeep Borehole | Topic The Siberian Hell Sounds Kola Superdeep Borehole Hell