Which is in the Stone Age. The last several thousand years. Evidence is unearthed stone tools. Crackers pieces of terracotta, stone table, looks at his palace.
That is, there are thousands of old stone age. There is evidence of stone tools unearthed polished. The stone clay chips crackers that he table his Wang.
which is in the era of the stone age for thousands of years there is evidence of polished stone tools found dig the break up the Stone Chamber piled on his desk Phaya Palace