Mysterious East Asians vanished during the ice age. This group replaced them. News By Laura Geggel published June 08, 2021 A new group moved into East Asia about 19,000 years ago. The ancestors of today's East Asians moved into the region about 19,000 years ago, and in doing so, they replaced the mysterious people who were living there before them, a new study finds. Researchers learned about th..