Deciphering the Doomsday Prophecy: The Secrets of the Pyramids

Many scientists have long been puzzled by the pyramids. We are born with knowledge of time-related facts like "They weren't all pointed." "Most pyramids were built west of the Nile," "No one knows how they were built," "The Egyptians utilized astronomy to guide building," "They weren't built by slaves," and "The Great Pyramid can tell time." There are many theories surrounding the pyramids, which makes us curious. What exactly are the pyramids' hidden meanings and what is the doomsday prophecy?