COULD these lines etched into 60,000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
这些刻于60,000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
COULD these lines etched into 60,000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
这些刻于60,000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
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