How Do They Do It? Season 12 Episode 13 Macadamia Nuts, Tap Water, Crowd Barriers 2015
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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.
- Released: 2015-08-13
- Runtime: 22 minutes
- Genre: Documentary
- Stars:
- Director:
- Source: CWR-CRB
