![The Deepest Hole in the World, And What We've Learned From It](https://hight3ch.com/wp-content/uploads/2014/05/deepest-hole.jpg)
SciShow takes you down the deepest hole in the world — Russia’s Kola Superdeep Borehole — explaining who dug it and why, and what we learned about Earth in the process. Don’t fall!
SciShow takes you down the deepest hole in the world — Russia’s Kola Superdeep Borehole — explaining who dug it and why, and what we learned about Earth in the process. Don’t fall!