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A comment on As the U.S. fantasizes, the rest of the world builds new transport system (2017). Parent comment

Re:As the U.S. fantasizes, the rest of the world builds new ... by reindeerer on Saturday December 22, 2018 @06:26PM (#18743096)
As it happens, tunnels in cities are not some hitherto unheard of great invention. They form a fairly well known and efficient means of mass transportation systems across the world.
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