Grain Bins in Southern Africa (IMAGE) University of Rochester Caption Modern grain bins in southern Africa, which are very similar to the grain bins found in that continent's Iron Age, are pictured. Credit Photo by John Tarduno/University of Rochester. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.