“All our stories are written on these stones,” says Corey Adams, a traditional Aboriginal custodian of the Murujuga land we are standing on in Western Australia. He is showing me around the densest collection of ancient rock art in the world – more than 2 million engravings, or petroglyphs, that his ancestors have created since becoming the first people to set foot in Australia.
The collection has been added to for more than 50,000 years, making it the most…