Im not sure about it because the archeological evidence.
Let's me explain that.
Not the archeological evidence in giza, instead the archeological evidence in the REST of the World who shows that the Ancient civilizations have a GREATER technology than US!
See this Great
Great Great Compendium of ancient technology evidence From the Great
Great Great Archeologyst Jonathan Grey named Dead Men's Secrets!
Before us.com his webpage!
A
review of his discoveries!
An interview with him in Coast to Coast! AMAZING!
Cheers!