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Lichen
DiscoveriesResearchers reveal how the Great Wall of China has remained well preserved for over 2,000 years
The Great Wall of China stretches across the country’s northern borders, bearing witness to over two millennia of history.
Joseph Shavit![](https://www.thebrighterside.news/uploads/2024/07/95ac29_d48e0270413c4490852504cb6d9a2aecmv2.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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