This time from tools found in India. According to the article, the big question is: How did the techniques get there?
And an excerpt….
researchers described thousands of stone implements uncovered at Attirampakkam, an archaeological site in southern India. The tools span about a million years of history, they say, and illustrate the evolution of big, blunt hand axes into finely sculpted stone points. Starting about 385,000 years ago — long before modern humans are thought to have arrived in India — it appears that an advanced toolmaking culture was developing there.
Full article is well worth a read.