10 months ago
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For centuries, soldiers stood guard along the Great Wall of China, defending the heartland of the North China Plain from nomadic invaders like the Huns, and the ancestors of the Mongols. Now, a new kind of protector stands stalwart on the wall, even as the unfinished parts of the great monument crumble away: biological soil […]
The post Protecting The Great Wall of China From Erosion, Lichen Soil Crust Shields Monument from Weather Damage appeared first on Good News Network.
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