伊美谈判三大议题仍待解

17,000-year-old furnace in North China sheds light on ancient fire technology_蜘蛛资讯网

hoto: Screenshot of a report released by the National Cultural Heritage AdministrationThe remains of a prehistoric furnace used for heat-treating stone tools around 17,000 years ago has been discovere

ated shells, many featuring regular lines on their edges, according to information released by the National Cultural Heritage Administration.These ornaments are diverse and reflect complex manufacturi

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