How Do They Do It?
Season 16 Episode 17 of 20
Mining million tonnes of fertiliser from below the sea. Plus, a look at how to hand print millions of colourful clothes using the ancient art of batik
How Do They Do It? airs on Discovery Channel HD at 7:00 AM, Tuesday 24 September. (Subtitles.)
Learn more about How Do They Do It? and other education/science/factual topics on our factual page
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