Executives to step down after Rio Tinto destroys sacred Australian sites

Darwin, Australia • The caves, set deep in a desert gorge, had yielded a treasure trove of artifacts tracing aboriginal people’s long history in Australia: a 28,000-year-old kangaroo bone sharpened into a blade; a 4,000-year-old plait of human hair believed to have been worn as a belt.Underneath the caverns sat millions of dollars' worth of high-grade iron ore, in a country where mining is king.In May, the minerals giant Rio Tinto decided to blow up the caves to get at the riches belo