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In 2001, paleontologist Martin Pickford and his team made a groundbreaking discovery in the Tugen Hills of Kenya. They unearthed the fossilized remains of Orrorin tugenensis, a hominin species that lived approximately 6 million years ago. Orrorin is considered a significant find due to its potential role as an evolutionary link between apes and humans, providing insights into our early ancestry and the origins of bipedalism.