"What is it about a dull yellow metal that drives men to abandon their homes, sell their belongings and cross a continent in order to risk life, limbs and sanity for a dream?" - Sebasti o Salgado When Sebasti o Salgado was finally authorized to visit Serra Pelada in September 1986, having been blocked for six years by Brazil's military authorities, he was ill-prepared to take in the extraordinary spectacle that awaited him on this remote hilltop...