The Clovis culture disappears dramatically from the archaeological record 12,900 years ago.

考古发现克伦·维斯文化在12900年以前神秘消失。

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But if that were true, it would suggest that the Clovis culture vanished suddenly-which raises the question, why?

但如果这是事实的话，这就意味着克洛·维斯文明是瞬间消失的，那又是什么导致了这种情况呢，原因又是什么呢？

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Previously the first indications of mastodon hunting were associated with the 'Clovis culture' which emerged some 1, 000 years later.

先前，第一个狩猎乳齿象的迹象与晚出现1000年的克劳维斯文明联系在一起。

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The researchers also found tools used by the Clovis culture, a group of human beings who lived at that time.

VOA: special.2009.01.20

The successor of the Clovis culture, the Folsom culture, is also defined by its arrowheads.

ECONOMIST: Mass extinctions

But if that were true, it would suggest that the Clovis culture vanished suddenly which raises the question, why?

ECONOMIST: Mass extinctions

Moreover, this definitely indicates that humans were living and hunting in North America some 800-1, 100 years before the Clovis culture developed.

FORBES: CT Scans Reveal Evidence of Ancient Human Hunters in North America