66 million years ago our world.
Animated Universe
The asteroid that killed the dinosaurs was not alone
Science mystery1994
Asteroid that killed the dinosaurs was not alone | BBC News
BBC News
Why the Dinosaurs *Really* Went Extinct #Dinosaurs #Science #History
Albys Innovation
Why the Dinosaurs *Really* Went Extinct #Dinosaurs #Science #History
Albys Innovation
How the Dinosaurs went Extinct - Yucatan Crater
Earth Titan