This picture taken in Kendawangan, West Kalimantan on Borneo island on February 13, 2017 shows piles of bauxite materials at a bauxite mining belonging to Harita group in Kendawangan. An overhaul of Indonesian mining rules has sparked fresh concern for investors in a sector long plagued by uncertainty and triggered a fierce battle with one of the world's biggest miners. / AFP PHOTO / ADEK BERRY / TO GO WITH AFP STORY: Indonesia-mining-economy, FOCUS by Sam Reeves

November 4, 2017 2:30 PM (UTC+8)