17 Season
287 Episode
How Do They Do It? - Season 16 Episode 14 High Rise Window Cleaners, Jigsaw Puzzles, Field Hockey Sticks
How do they keep the world's tallest twin towers clean? How do they make a jigsaw where every piece is unique? And, how do they craft Olympic level hockey sticks?
- Year: 2021
- Country: Canada, Singapore, United Kingdom, United States of America
- Genre: Documentary
- Studio: Discovery
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- Cast: