Pyramids are made of a concrete. They actually just poured the 'stones'.
https://www.nytimes.com/2008/04/23/world/africa/23iht-pyramid.1.12259608.html
Pyramids are made of a concrete. They actually just poured the 'stones'.
https://www.nytimes.com/2008/04/23/world/africa/23iht-pyramid.1.12259608.html
I’m sure that’s been investigated. Otherwise we would know that.
I’m sure that’s been investigated. Otherwise we would know that.
You're sure.
You're sure.
Concrete is concrete. Stone is stone.
Concrete is concrete. Stone is stone.
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