Kola Peninsula Hole
Nov. 30, 2024
Kola Superdeep Borehole – Murmansk, Russia - Atlas Obscura WHAT'S AT THE BOTTOM OF THE DEEPEST HOLE ON EARTH? | The Daily Star DSCVR - Do you know 😱 Kola Superdeep Borehole is the deepest man-made hole in the world. Kola peninsula Archives - Universe Today | Kola Peninsula Hole