Scientists discover this 500,000 year old rock with a spark plug inside. We take a look at this out of place artifact.
Over the years there have been many strange artifiacts that have been found. One example of this is in 1961, three people were out searching for geodes in California. A member of the group picked up a geode however they said that something seemed off about it. After taking it back to their shop they decided to cut through it with a diamond saw blade. To their surprise inside the rock was what appeared to be a spark plug...
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