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先有人类，还是先有文明？
source link: https://tech.sina.com.cn/d/c/2020-07-18/doc-iivhuipn3703678.shtml
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在南非的布隆伯斯洞穴，考古学家发现了一块7.4万年前的赭石。石块的表面经过打磨后，用一把尖锐的石制工具雕刻了抽象图案，这是已知最古老的符号表达遗迹之一。直至上世纪90年代，仍有许多学者认为，人类在5万年前突然获得了认知能力，随后才产生了拥有
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