From: Mineke Schipper, Humanity’s End as a New Beginning: World Disasters in Myths

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24. The end of everything 

(Xingu, Brazil) 

Finally Sinaa showed the visitor a huge forked stick that supported the sky, and said: “The day our people will die out completely, I will pull this stick down, and then the sky will collapse, so that all peoples will disappear. That will be the end of everything.”