Ainu = descendants of Anu, chief of the Nephilim pantheon? If I'm not mistaken, I think there is an Anu area in northeastern China as well.
"Study Says Americas Settled 15,000 Years Ago (Ainu/Jomon)"
This is always interesting to me. Many--most--American Indian children are born with the so-called mongolian spot around the end of their tail-bones. Many Asian children are born with the same kind of spot.