A 2200-year-old Chinese four-lane highway discovered buried in the mountains, revealing a lost Qin dynasty megaproject

In northwest China’s Shaanxi province, a 13-kilometre stretch of the Qin Straight Road is forcing archaeologists to redraw parts of one of antiquity’s most ambitious transport systems. The corridor, built more than 2,200 years ago under the Qin dynasty, is often described as a “four-lane highway,” a comparison that captures its width but not its intent, as reported by The South China Morning Post.

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