Palaeobiological and archeological excavations at the site of Ewass Oldupa. found in the western Plio-Pleistocene rift basin of Oldupai Gorge (also Olduvai Gorge). Tanzania. revealed rich fossiliferous levels and the earliest remains of human activity at Oldupai Gorge. https://chefesquipmenters.shop/product-category/usuba-knives/