300m-year-old forest preserved in ash

Researchers have unearthed a forest in northern China preserved under a layer of ash deposited 300 million years ago.

Preservation of the forest, just west of the Inner Mongolian district of Wuda, has been likened to that of the Italian city of Pompeii.

The researchers were able to "reconstruct" nearly 1,000 sq m of the forest's trees and plant distributions.

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