Kola Superdeep Borehole – The World’s Deepest Artificial Hole
Mankind has always been curious about everything around us, and in order to satisfy this desire to know and discover, it has tried the craziest experiments. One of these experiments was the one called the Kola Superdeep Borehole. The Kola Superdeep Borehole is the deepest artificial hole on Earth, and it is a result of … Keep reading