adding that levels of copper were “5 to 6 times higher than the natural background” during this timeframe. The pyramids of the Giza Necropolis in Egypt, as seen from an aircraft, circa 1960.

and the presence of such high quantities of copper would have been vital for producing bronze tools, which workers would have likely used to build the pyramids. While research has been collected ...

I viewed the Great Pyramid at sunrise and sunset ... Two hundred feet inside the north branch, the robot located a door with two copper handles. What does this door hide? What is the purpose ...