Interesting Engineering on MSN6mon
Human-built 5600-year-old underwater bridge found inside cave stuns scientists
A geology professor from the University of South Florida discovered a 5600-year-old stone bridge in an ancient cave ... As ...
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This is Italy’s oldest bridge still standing, a Roman architecture marvel
This stone bridge over the Tiber embodies both Roman architectural ... is the presence of a small additional arch in the centre, designed to reduce water pressure during floods.
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Marco Polo Bridge (Lugouqiao)
"Over this river there is a very fine stone bridge, so fine indeed ... the "Lugou River is also called the Heishui (Black Water) River." In the local dialect in ancient times, lu (reed) meant ...