How Do They Do It?
- Series
- Documentary & Factual
- PG
S15 E5: Leaning Tower of Pisa, Eider Down and Digestive Biscuits
Engineers look at Pisa's gravity-defying tower that has been tipping for 800 years; a lucky duck is unharmed while its down is used in the world's most-expensive duvets. (2018)
Airing
29 Aug, 15:01 - 15:30
29 Aug, 15:30 - 16:00
30 Aug, 3:31 - 4:01
30 Aug, 4:01 - 4:31
30 Aug, 7:00 - 7:30
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