Ancient Knowledge Lost
Most people don't realize that the Giza pyramids were built first.
- By Ricardo Liberato / Wikimedia Commons / CC BY-SA 2.0
At some point this ancient knowledge was lost, and only step-pyramids were made.
- By Charles J. Sharp / Wikimedia Commons / CC BY-SA 3.0
Eventually people got tired of making pyramids, and just created stone piles that looked like pyramids instead.
- By Hajor / Wikimedia Commons / CC BY-SA 1.0
This pattern of losing knowledge is found all over the world.