How Do They Do It - Trash in Venice; Aussie Sheepskin; Chlorella

Seizoen: 11 - Aflevering: 7 / 169 - Eerst uitgezonden: 26 juni 2014 - Episode ID: 971120

A look at how waste is collected in Venice, how Australia's famous sheepskin boots are made, and how pond algae is turned into a health supplement.