Pyramids
A pyramid (from Greek: πυραμίς pyramís) is a structure whose outer surfaces are triangular and converge to a single step at the top, making the shape roughly a pyramid in the geometric sense.
| Links | https://en.wikipedia.org/wiki/Pyramid |
Added by Supernaut1970
About/Subject 1
| Title | Format | |
|---|---|---|
 | The Atlas of Mysterious Places: The World's Unexplained Sacred Sites, Symbolic Landscapes, Ancient Cities, and Lost Lands | Hardback |