... with time left over to construct huge earthwork mounds and who-knows-what megalithic structures all over kilometres of Kazakhstan.
8000+ Years ago ...
"Hey, guize, let's break for a while from scavenging for bugs and rabbits, I want to build an 80 kilometre ring of earthworks with millions of tons of soil."
That is probably "truish." Sort of. Nothing to see here, folks, go back to your televitz programs. No need to revise those history books dramatically or do the smart thing and just tear the pages out to use for bird cage liner.