Acheulean tools
Acheulean tools, dating as far back as 1.76 million years ago in Africa and portions of the Asian continent recently discovered by USACE and USAFCEC archeologists. The two axes at the top of the photo are in their original location.

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Photo by: U.S. Army Corps of Engineers St. Louis District |  VIRIN: 170305-A-CE999-007.JPG