How Do They Do It?

Macadamia Nuts, Tap Water, Crowd Barriers

TV-G
S12 • E13    Aug 13, 2015    22m
South Africa's macadamia farmers; Chicago's water-filtration system. Also: the use of Mojo Barriers to keep music fans safe at the Pinkpop Festival in the Netherlands.

Where to Watch How Do They Do It? - S12 • E13

 

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