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?

Genre:

Documentary

Seasons:

17

Episodes:

287

Cast:

Quality:

HD

Duration:

22 min

First Air:

2006

Rating:

7.5