In July, the World Heritage Committee meets in Busan, South Korea, to decide which places will be added to the World Heritage List — and what it will take to safeguard them. As it weighs new inscriptions, the Northern Lowlands of South America face a blunt question: Given the region’s abundant rock art, why are there so few legal protections — and only one World Heritage inscription?The answer is not ignorance. South American states still carry …