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Sima de los Huesos: Inside the 'Pit of Bones' with thousands of mysterious human fossils
The Atapuerca Mountains in northern Spain are home to the Sima de los Huesos, or "Pit of Bones," which has offered one of the ...
Archaeologists find 'Pit of the Bones' containing thousands of ancient human fossils
The intricate cave system perched deep in an isolated stretch of Spanish mountains contained the remains of an ancient and ...