Giant mine machine swallowing up Senegal's fertile coast
Like something from the science fiction film "Dune", the "world's biggest mining dredger" has been swallowing acre after acre of the fertile coastal strip where most of Senegal's vegetables are grown. The jagged 23-kilometre-long (14-mile) scar the gigantic rig has left mining for zircon - which is used in ceramics and the building industry - is so big it is visible from space. Amid a