Marcelino Sanz de Sautuola y de la Pedrueca, in 1868, accidentally discovered Pa
Marcelino Sanz de Sautuola y de la Pedrueca, in 1868, accidentally discovered Paleolithic paintings with the help of a hunter named Modesto Cubillas inside Altamira's caves, located in Cantabria, north to Spain. Trying to expose their discovery to the a
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