Comment: Personally, I think it was a form of concrete mixture

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In reply to comment: It's called skepticism (see in situ)

Personally, I think it was a form of concrete mixture

Regardless of my opinion, I'm not wasting time knocking down the theories or opinions of others.

I suppose that's called being civilized.

"We are not human beings having a spiritual experience; we are spiritual beings having a human experience"—Pierre Teilhard de Chardin