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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 ...
Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 miles) and descending to 392 meters (nearly 1,300 ...
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