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Olduvai Gorge, located in Tanzania, is renowned for its significant archaeological discoveries made by renowned anthropologist Louis Leakey. Leakey's excavations at Olduvai Gorge unearthed numerous hominid fossils and stone tools, providing crucial insights into human evolution. These discoveries, including the remains of Homo habilis and Homo erectus, helped establish the timeline of human ancestry and shed light on the development of tool-making and hunting practices among early hominids.