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architectureofdoom:Kola Superdeep Borehole, Russia
Kola Superdeep borehole It is quite hard to imagine that under this small metal cap was for many yea
THE KOLA SUPERDEEP BOREHOLEThe world’s deepest hole, abandoned by the Soviets beneath this rus
A superdeep hole In 1994 the German Continental Deep Drilling Programme (KTB), a scientific drilling
Kola Superdeep boreholeIt is quite hard to imagine that under this metal cap is actually the world d
Kola Superdeep Borehole, first stage drilling rig, early 1970s
Kola Superdeep Borehole, Russia
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