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(Image from http://www.trekearth.com, 1/15/2010)
The Near East Section, part of the African and Middle Eastern Division of the Library of Congress, presented a “Petroglyphic Art in North Africa: The Story of the Engraved Rocks of the Sahara,” a lecture given by Dr. Ahmed Achrat .
View the lecture here.
Petroglyphic Art in North Africa
