A Lost Ancient Civilization left its clues across our planet in far away places. These petroglyphs are in my own backyard and seem to be giving off a RF radio frequency signal. One particular glyph is giving off an electromagnetic signal as well. Over the last millions of years, could it be possible that other civilizations existed on earth with indigenous technologies that suddenly changed or vanished? What clues, maps, and tunnels could be underground and buried beneath our feet?
Carl the Crusher
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