Hidden tunnels beneath Mexican pyramid are ‘PASSAGES TO THE UNDERWORLD’ A PYRAMID in Mexico contains hidden passages to the underworld which have been revealed in unprecedented detail. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Cassini images: The most STUNNING new images and video all the way from SaturnHISTORIC SPACE ERA: NASA on the brink of the most 'profound' discovery ever… ALIEN LIFECassini makes contact with Earth: Spacecraft reports back from STUNNING Saturn rings studyA Very Hungry Caterpillar Eats Plastic Bags, Researchers SayLIFE ON MARS: First humans to colonise Red Planet will live like THISOp-Ed Contributor: Sowing Climate Doubt Among Schoolteachers