
While Paris, the City of Lights, shines brightly, hidden in its shadows are fascinating installations, put in place nearly two centuries ago: the sewers. Even today, this 2,600-kilometer-long labyrinth of streets and infrastructure ensures the sanitation of the entire capital. In 1854, during Haussmann's grand urban renewal projects in Paris, the French engineer Eugène Belgrand undertook one of the century's largest construction projects: the renovation of the Paris sewers. His main innovation: an ingenious dual network that simultaneously treats wastewater and delivers drinking water to Parisians.
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Availability data from JustWatch
- Status
- Released
- Production
- RMC Production, RMC Films, RMC Découverte
Keywords
- paris, france
- underground
- sewerage
- sewer
- water purification
- waste
- water
Top Cast

Julien Bocher as Narrator (voice)
Nicolas Joseph as Self - Sewer basic service
Raphaël Morera as Self - Historian, CNRS
Konstantinos Chatzis as Self - Historian, Gustave Eiffel University
Christophe Dalloz as Self - Water and sanitation services manager
Thierry Guffroy as Self - Instructor
Guillaume Picon as Self - Historian
Éric Pfliegersdoerfer as Self - Institutional and internation relations, Eau de Paris
Top Crew
Sarah Laîné · Director
Lisa Bouchet · Editor
Raphaëlle Girotto · Producer
Thibault Martin · Producer
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