How Do They Do It? XV (5)

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 and a factory reveals the gastronomic genius behind a favorite teatime accompaniment.

Chris Broyles, Robert Llewellyn, Dominic Frisby, Rupert Degas, Iain Lee

Režie: Dean Johnson