Digging
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Science & Technology
Norway is Digging the World’s Deepest Road Tunnel, 400 Meters Under the Sea
Norway is currently constructing Rogfast, a record-breaking undersea road tunnel that, once completed, will stretch 27 kilometers and reach a…
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Science & Technology
They Were Just Farmers Digging by Hand, Until They Discovered the World’s Rarest Opal
At almost 10,000 feet above sea level, villagers in northern Ethiopia have uncovered a seam of pure black opal buried…
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