17 हंगाम
287 भाग
How Do They Do It? - Season 16 Episode 17
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?
- वर्ष: 2021
- देश: Canada, Singapore, United Kingdom, United States of America
- शैली: Documentary
- स्टुडिओ: Discovery
- कीवर्ड:
- संचालक:
- कास्ट: