How Do They Do It?

8:30 AM to 9:00 AM
Friday 20 September
+

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 +1 at 8:30 AM, Friday 20 September. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
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