The Ancient Subterranean Tunnels of South America – YouTube

Is it possible than entire civilizations have developed far underneath our planet’s soil? Could the surface of Earth simply be a shell hiding beings and cultures alien to us? This is information having to do with the ancient subterranean tunnels and lost cities of South America; the origin of Underground UFOs; The lost mines of Muribeca and much more. Also there are striking parallels between the ancient Hindu texts and modern eyewitness accounts of those coming in contact with the creatures and mysteries that lay just below our feet.