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Crash Test World
Crash Test World is all about BIG ideas. In each episode, Kari Byron discovers how history, technology, culture and people come together to make their world - and ours - a better place.
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Season 1 Episode Guide See All
Episode 1
Do walls work?
Fri, Jan 8, 2021
Berlin, Germany was once divided in half by a wall, built to keep people separated after WWII. But since the wall fell, the city has transformed into a bustling, creative, open, and diverse global metropolis.