Stock photography, photos: Indigo Dye Pits - Nigeria Stock photos of The Kofar Mata Dye Pits in Kano, northern Nigeria. These indigo-vegetable dye pits are one of the most fascinating aspects of this old city. Craftsmen adhere to centuries old methods of dying textiles using indigo. West Africa. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: africa, Nigeria, west africa, kano, dye pits, indigo, cloth, textiles, fabric, Kofar Mata Dye Pits