These are the deepest and largest man-made holes in the world

• Since the early 1960s, humans have attempted to drill down to the Earth’s mantle.
• Russia holds the record for the deepest man-made hole in the world at more than 40,000 feet deep. That’s 7.6 miles.
• No one has ever reached the Earth’s mantle, although scientists have never given up trying to get to it.
• Some of the other deepest man-made holes are from oil companies, while some of the largest holes have been dug to extract copper and diamonds.
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America might have landed on the moon, but Russia drilled the deepest man-made hole on Earth.

Since the early read more >>>

Source : BusinessInsider.Com