image: Big boulders, which were deposited by a glacier in the Harcha Valley during the last glacial. The boulders indicate the maximum extension of the boulder at that time. This material relates to a paper that appeared in the August 9, 2019, issue of Science, published by AAAS. The paper, by G. Ossendorf at University of Cologne in Cologne, Germany, and colleagues was titled, "Middle Stone Age foragers resided in high elevations of the glaciated Bale Mountains, Ethiopia." view more
Credit: H. Veit