An image of what exists below the streets of Paris

Balls used to clean the sewer tunnels by pushing out the water

Belgrand Gallery with history of the Musée des Égouts

Boots worn in the Paris sewers

Eugène Belgrand, the engineer who designed the Paris sewer and water supply networks

How the sewer services coped with the 1910 Paris floods

Huge balls used to clean the sewer tunnels

In the old days there were plenty of rats in the sewers

Information and images of the 1910 Paris floods

Interactive model of the water cycle in Paris

Looking worried because this is the section where you can see the open sewer

Mannequin of workers at work in the Paris sewers

Map of Wallace fountain locations in Paris

Me, touring the Paris Sewer Museum

Mesh wire over the canals to ensure no one falls in