"National+geographic+-+when+continents+collid"
National Geographic - When Continents Collide
It may have been the most cataclysmic geologic event of the last 60 million years. The narrow, 400-mile-long Isthmus of Panama, once buried below the sea, rose up and connected North and South America. This new land bridge unleashed an astonishing animal encounter as prehistoric predators and prey each unique to their worlds came face to face for t..
