Wednesday, August 1, 2012

Were the Pyramids Made With Concrete?

There is a theory that the pyramids were made from concrete thousands of years ago.  Several scientists are attempting to prove this.  It makes sense, based on the precision of the stones and their weight.  Here is a video describing this theory as a group tests out the theory that concrete was used:






By Rita Jean Moran (www.thelibrarykids.com)
 
 

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