If Every Human On Earth Suddenly Vanished, Something Like This Might Happen

What would Earth be like if all humans suddenly disappeared?

It's a creepy thought, for sure. And according to a new video from the YouTube series Earth Unplugged (see above), the end of humanity would spell the slow demise of manmade structures and cause cats and dogs to de-evolve into creatures more akin to their feral ancestors.

Think "I Am Legend" without the zombies.

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