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saudi arabia bir hima petroglyphs ( I did not take this particular photo, but petroglyphs are everywhere!)
New Mexico Petroglyph
Bighorn sheep petroglyphs - Coso Mountains, California
Dramatic Anasazi petroglyphs resembling serpent like figures overlook a valley near the Manzano Mountain ruin of ABO which is part of Salinas National Monument.
Petroglyphs found on cave and mountain walls in many parts of the world, imply that ancient aliens may have visited the planet.
Göbekli Tepe ("Potbelly Hill") is an early Neolithic sanctuary located at the top of a mountain ridge in the Southeastern Anatolia Region of Turkey, northeast of the town of Şanlıurfa (formerly Urfa / Edessa). It includes massive stones carved about 11,000 years ago by people who had not yet developed metal tools or even pottery.
Neolithic Quern Stone - Quern-stones are stone tools for hand grinding a wide variety of materials. They were used in pairs. The lower, stationary, stone is called a quern, while the upper, mobile, stone is called a handstone. They were first used in the Neolithic to grind cereals into flour