The biennials festivals and educational spaces changing the shape of African photography. Aperture takes a detailed look at the dynamic spaces that have shaped conversations about photography in Africa for the last twentyfive yearsthe biennials experimental art spaces and educational workshops in which artists and audiences interact with photography. Platform Africa presents a new generation of artists and is produced in collaboration with guest editors Bisi Silva founder and artistic director of the Centre for Contemporary Art in Lagos Nigeria John Fleetwood director of the South Africabased platform Photo and former head of the Market Photo Workshop in Johannesburg and Aicha Diallo associate editor of Contemporary And.