Poster of Cast and Crew in How Do They Do It? - Season 12 - Episode 13 - Macadamia Nuts, Tap Water, Crowd Barriers

How Do They Do It? - Season 12 - Macadamia Nuts, Tap Water, Crowd Barriers (Episode 13)

Plot: 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
Episode Aired On:
Thursday, August 13 2015
9 years ago