One of the world’s biggest mysteries can be found in northwest Russia. Many scientists have worked for decades on drilling this hole. They aim to blast it all the way to the core of the Earth. This borehole has now reached a depth of 40,000 feet, making it the world’s deepest man-made hole!
Scientists Dug The Deepest Hole On Earth But This Broke Their Drill
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The Unexpected
They were doing well and following the plan. They were on their way to the mantle. But then something strange occurred. Their plans had been thrown off. They have no choice except to seal the hole. What did they discover down below? You’d never guess what.
The Unexpected
