With Vale staff at Carajás N4W mine.   From left:   Roberta Marais (Vale, Carajás),   Doug Kepert (Fortescue Minerals Group, Australia), Mark Pudovskis (BHP Billiton, Singapore),   Gesner Santos (Vale, Brazil),   Alexandre Rocha (Vale, Carajás),   Sergio Fernandes (BHP Billiton, Brazil),   Renato Freitas (BHP Billiton, Brazil),   Ivan Andrade (Vale, Carajás).   Photograph by Mike Porter.