The most interesting link of the day; half million year old wooden "structures" discovered, built by ancestors we can't even conceive of...
Link: https://www.bbc.com/news/science-environment-66846772
Consider, the Bible, Uruk, Epic of Gilgamesh, Dynasties of Europe, Iraq, the Cradle of Civilization, at most, 10-15,000 years old.
And then there's this, the fact we (not necessarily...) were building structures hewn with stone tools half a million years ago. What was lost in the interm?
Ample ground there for the mind to play...