中新网北京7月16日电 (记者 孙自法)约12.8万至1万年前的更新世晚期,是古人类迁徙、扩散及其文化发展的关键时期,这期间,先民们何时从迁徙主导转向原位适应?

Full article body is being fetched in the background. Refresh in a moment to see the complete paragraphs. For now this page shows a summary and AI analysis.