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What did plants and animals look like millions of years ago? Scientists hope fossils can help
CGTN
01:54

Chinese scientists discovered ancient fossils, including a shark tooth dating back 220 million years, during an expedition in southwest China's Qinghai-Xizang Plateau.

Researchers hope that the discovery of these fossils, which include fish, ferns and other organisms, could help them restructure the plants and animals living in the region millions of years ago.

Watch the video to learn more.

For more:

Chinese scientists find shark fossil dating back 220 million years on Mount Cho Oyu

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