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Associated Press
This image released by the University of Toronto shows a close-up of embryonic humerus, as it is preserved in the sediments. An international team of scientists discovered a cache of dinosaur embryos near the city of Lufeng, in Yunnan, China. Estimated to be 190 million years old, the fossilized bones are among the oldest dinosaur embryos in the world. (AP Photo/University of Toronto, R. Reisz)

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