Ancient Artifacts?Real & Fake
A giant, prehistoric circle has been discovered in Ohio that is nearly perfect and about 90 feet across. It was buried long ago and is completely underground.
Using powerful magnetic sensors, archaeologists discovered the circle by chance. N?omi Greber, a Cleveland Museum of Natural History archaeologist, says they used remote-sensor tools which were originally developed for petroleum exploration. ?Now we can see things that we didn?t even know were there.?
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