Passage: The World Heritage Site includes rock art across an area which stretches from the Pyrenees to the province of Granada, falling within the territory of the autonomous communities of Catalonia, Aragon, Castile-La Mancha, Murcia, Valencia and Andalusia. It was declared a Bien de Interés Cultural in 1985.

Question: What is one historical treasure that can be found in the World Heritage Site?
rock art