From CGI member oldmaninthedesert:

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By Andrew Collins

Today I am in Lommel, a quiet Belgian town just over the border from Holland. I am here to do some filming for the History Channel's ever-popular "Ancient Aliens" TV show. As part of their wish to get more "hands on" with regards the topics featured in the much-anticipated ninth season, they have flown me over from the United Kingdom in search of absolute proof of the Bible's Great Flood, the theme of an upcoming episode. All around the world hundreds, if not thousands, of catastrophe myths speak not only of an all-encompassing deluge that devastated the world during some former epoch of human kind, but also of a terrifying conflagration, a cosmic fire that reigned down from the sky.

Almost certainly these myths derive from personal accounts of what scientists refer to today as the Younger Dryas Boundary (YDB) impact event, which took place around 12,900 years ago, just after the end of the last Ice Age. At this time a comet is thought to have entered the inner solar system and as it reached perihelion, its close approach to the sun, this huge plasma-driven ball with an icy core and characteristic long tail is likely to have disintegrated into hundreds if not thousands of tiny pieces. These were then sent on a collision course with the earth (see fig. 1).

https://exploringrealhistory.blogspot.com/2019/02/smoking-gun-of-cosmic-catastrophe.html