Who's up for a dig? For this list, we'll be looking at extreme hole-digging technology and the deepest natural and human-made holes found in the Earth's crust throughout human history. Our countdown includes Bingham Canyon Mine, KTB Borehole, Kola Superdeep Borehole, and more! read more...
Top 10 Deepest Holes In The Earth
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VOICE OVER: Rebecca Brayton
WRITTEN BY: Nathan Sharp
