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How Do They Do It?

Macadamia Nuts, Tap Water and Crowd Barriers

Season 9 Episode 13
The high maintenance macadamia nut is cracked in South Africa. Chicago's massive water filtration system is explored. In the Netherlands, Mojo Barriers are used to keep music fans safe at the Pinkpop Festival.
  • 22 min
  • TV-PG
  • Premiered 08/13/2015