How Do They Do It - Nori; Beer Bottles; Shark Deterrents

Seizoen: 11 - Aflevering: 3 / 165 - Eerst uitgezonden: 29 mei 2014 - Episode ID: 954342

A look at how sea weed for sushi is farmed, how a beer bottle is made that lasts for fifteen years and how they keep swimmers and surfers off a sharks menu.