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A replica of a painting of an aurochs in Lascaux cave in France. Scientists have estimated these paintings may be 20,000 years old.

Scientists Have Almost Completed the Resurrection of Extinct Aurochs and Plan to Reintroduce Them to the Wild

A group of scientists is attempting to re-wild 1 million hectares (2.47 million acres) of European lands, and one of the keys in the circle of life will be reintroducing the fierce, huge, wild...