How Do They Do It?

Sewers/Berettas/Cotton

Series 10 - Episode 10 Sewers/Berettas/Cotton

Friday 11:30pm - 12am Quest
See Repeats
Sun 6 Dec, 3:25am - 3:50am Discovery Science
Tue 8 Dec, 5:30am - 6am Discovery Channel
Tue 8 Dec, 5:30am - 6am NOW TV Discovery
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Summary

The manufacturing process of Berettas and cotton, and an insight into the complexity of the Paris sewer system.
Education