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How Do They Do It?
Season 15 · Episode 5
Pisa's Leaning Tower, Eider Down, Chocolate Digestive
0.022mOctober 23, 2017
It's been tipping over for 800 years - what's the gravity-defying magic behind Pisa's leaning tower? And, how are chocolate digestive biscuits manufactured?
Episodes
- Episode 1Harris Tweed, Turntables, Fermented Shark
- Episode 2Beds-Hastens, Satellites, Indoor Salads
- Episode 3Borsalino Hats, Folding Bicycle
- Episode 4Fender Stratocaster • Kalles Kaviar • Endurance Racing
- Episode 5Pisa's Leaning Tower, Eider Down, Chocolate Digestive
- Episode 6Parchment, Shuttlecocks, Salt
- Episode 7Ballpoint Pens, Pizza, Reed Rugs
- Episode 8Violins, Milk Delivery, Volcanic Rock Houses
- Episode 9Fastest Superyachts, Space Suit, Katsuabushi
- Episode 10Parma Ham, Rowing Machines, London Underground Signs
- Episode 11Beach Landing Planes, Tomatoes, Bavarian Lederhosen
- Episode 12Lobsters, Chesterfield Sofas, 4K Television
- Episode 13Car Weather Factory • Baseball Gloves • Christmas Puddings
- Episode 14Print Newspapers • Knitting Socks • Ribena
- Episode 15Raisins, Showers, Papyrus
- Episode 16Charcoal Briquettes, Soba Noodles, Vaulting Poles
- Episode 17Freshwater Pearls, Knives, Hippo Roller
- Episode 18Sugar, Feather Dusters, Balloons
- Episode 19Pencils, Liquorice, Lace
- Episode 20Platinum, Manga Comics, Limoncello