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These Mesmerizing Cave Paintings Were Discovered in 1901. Now, Archaeologists Finally Know When Some of Them Were Created
研究人员长期以来一直认为法国 Font-de-Gaume 内的艺术品是用无法使用放射性碳测年法进行分析的颜料制成的。然后他们发现了木炭的痕迹