Ancient Saharan mill stone (round) on top of a base stone (bedstone). The upper stone was rotated on the base stone to grind wheat or other grains. Ph

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Ancient Saharan mill stone (round) on top of a base stone (bedstone). The upper stone was rotated on the base stone to grind wheat or other grains. Photographed in the Tadrart, a Saharan desert area in Algeria.

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Size: 5125px × 3417px
Photo credit: © MARTIN RIETZE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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