Which region began to use the process of creating red and black figure pottery in approximately the 6th century?

Black figure pottery is one of the first recognizable pottery styles unique to ancient Greece. ... centuries BC, before being replaced by a new style called red figure pottery. ... The slip turned black during firing, and potters began intentionally painting... By the 6th century BC, more potters were moving towards human figures

A  documentary film  is a nonfictional motion picture intended to document some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record.example:     20,000 days on earth