How Do They Do It? · S16E17
Polysulphate Fertilizer, Maple Syrup, Batik Printed Fabrics
2019-08-08 · 22 min · 5.0 (1) · TMDB

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?