The K-T event. Within minutes, everything on the planet that wasn't under the earth or under the sea was on fire. No warning. This really happened and will happen again. https://en.wikipedia.org/wiki/Cretaceous%E2%80%93Paleogene_extinction_event …
Replying to @kalovbliov
If youre feeling ambitious on your next trip through Denver http://www.researchgate.net/profile/Richard_Barclay2/publication/268804479_West_Bijou_Site_Cretaceous-Tertiary_Boundary_Denver_Basin_Colorado/links/5476571a0cf29afed6142134.pdf?inViewer=true&disableCoverPage=true&origin=publication_detail …
10:09 PM - 1 Nov 2018
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