How Do They Do It? season 16 episode 17

Air Date: 2019-08-08

Duration: 22 min

Genre: Documentary

Episode title: Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics

How do they mine a million tonnes of fertiliser from below the sea? And, how do they hand print millions of colourful clothes using the ancient art of batik?