How Do They Do It?

3:30 PM to 4:00 PM
Wednesday 28 January
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Season 16 Episode 14 of 20

A look at how the tallest buildings in the world are cleaned. Plus, the process to make a jigsaw where every piece is unique

How Do They Do It? airs on Discovery Channel at 3:30 PM, Wednesday 28 January. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
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