[Sirius Lee]

What I cannot understand why, if such civilizations existed, evidence of advanced metallurgy has not been found, advanced alloys and metals and other evidence of advanced technology.

Oh, but they have. Google OOPARTS (Out of place artifacts)

[Savage Beast]

It's tantalizing, yes. It's also true, I think. Human beings are not going to bump around in the woods for 200,000 or 300,000 years without forming civilizations and developing some kind of technology et al.

I definitely believe the Vedic tales are basically and perhaps totally true, and I think that Vedic wisdom, e.g. the Bhagavad Gita, is a treasure bequeathed to us from the Vedic Civilization.

I also cannot imagine how the ancient Peruvian walls could have been constructed without some kind of vitrification or the structures of Puma Punku have been constructed without the technology of some advanced civilization.

Maybe the metals were recycled. Certainly gold and other precious metals would have been confiscated, but it does seem, to me, that some remnants would have remained. Out of place artifacts offer explanations, maybe all the explanation needed.

I appreciate your wise responses to my questions.