14. High Rise Window Cleaners, Jigsaw Puzzles, Field Hockey Sticks

Aired Jul 25, 201922 minTMDb

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?

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High Rise Window Cleaners, Jigsaw Puzzles, Field Hockey Sticks