The 'Corner Country', where Queensland, South Australia and New South Wales now converge, was in Aboriginal tradition crisscrossed by the tracks of the mura, ancestral beings, who named the country as they travelled, linking place to language. Reproduced here is the story of the two Ngatyi, Rainbow Serpents, who travelled from the Paroo to the Flinders Ranges and back as far as Yancannia Creek, where their deep underground channels linked them back...