A stone tablet discovered 16 years ago has been announced as the world's first known map, say experts. The prized artefact, found in a cave in Abauntz in the northern region of Navarra, Spain, was first located in 1993 - yet its intricate tangle of lines and swirls confounded archaeologists. Now however, the University of Zaragoza team who first found the tablet believe they've cracked its use. And team leader Pilar Utrilla believes its would have been used as much more than a mere A to Z: "We can say with certainty that it is a sketch, a map of the surrounding area," she tells the Telegraph. "Whoever made it sought to capture in stone the flow of the watercourses, the mountains outside the cave and the animals found in the area.
