In a life after people, invasive animals and vines spread: pythons battle alligators, plants strip oxygen from lakes, and sandstorms invade Phoenix. Also, Shanghai sinks and Miami is submerged, in Season 1, Episode 5, "The Invaders." #LifeAfterPeople
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In "Life After People," scientists, structural engineers, and other experts speculate about what might become of Earth should humanity instantly disappear, from the fate of structures like the Sears Tower and the Sistine Chapel to the creatures that might inherit the places we once lived.

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