Two Komatsu trucks being retrofitted with driverless Caterpillar Autohaul technology to make them autonomous vehicles, sit in a shed at Australia's Fortescue Metals Group (FMG) Chichester Hub for iron ore mining operations, which includes the Christmas Creek iron ore mine, in the Pilbara region, located southeast of the coastal town of Port Hedland in Western Australia, November 29, 2018. Picture taken November 29, 2018. REUTERS/Melanie Burton