In the Sahel, the number of informal mines is rising as gold mining areas escape state control. Mali is emerging as a gold-purchasing hub for Sahelian countries, while Dubai has become the main destination for artisanal gold production from the African continent. From the hidden smelters of Bamako to the artisanal mines of the Ivory Coast and a major gold market in Dubai, Caroline Dumay investigates the transforming global gold industry.