280 overlooked ice age engravings discovered in Spanish cave

At the Cova de la Font Major in Catalonia, researchers have discovered 280 engravings from the Paleolithic period, the second-largest collection of ice age engravings ever found on Spain's Mediterranean coast. For more than sixty years, visitors, cave explorers and treasure hunters walked past them without recognizing their prehistoric origin. Some even carved names and dates over the images. Researcher...