Cologne sewerage system

The sewerage system of Cologne is part of the water infrastructure serving Cologne, Germany. Originally built by the Roman Empire in the 1st century, the city's sewer system was modernised in the late 19th century. Parts of the subterranean network are opened for public tours, and the unusual Chandelier Hall (German: Kronleuchtersaal) hosts jazz and classical music performances.

Cologne sewerage system

The sewerage system of Cologne is part of the water infrastructure serving Cologne, Germany. Originally built by the Roman Empire in the 1st century, the city's sewer system was modernised in the late 19th century. Parts of the subterranean network are opened for public tours, and the unusual Chandelier Hall (German: Kronleuchtersaal) hosts jazz and classical music performances.