Kola Superdeep Borehole
The Kola Superdeep Borehole is the deepest hole ever dug on Earth. It’s a massive hole, stretching over 12 kilometers deep into the Earth’s crust. Soviet scientists drilled this hole in the Kola Peninsula, near the Russian border with Norway, in an attempt to learn more about our planet’s interior. The Kola Superdeep Borehole project … Read more