Red Pyramid, Dahshur Necropolis, Egypt

First TRUE PYRAMID built at the right [43 Degrees Angle]

Today Located in Military Zone

 

Sneferu (2575-2551 BCE) 4500 years ago

4th Dynasty, Old Kingdom

 

[Wikipedia] Red Pyramid

en.wikipedia.org/wiki/Red_Pyramid

 

[Wikipedia] List of Egyptian Pyramids

en.wikipedia.org/wiki/List_of_Egyptian_pyramids

 

Done