Sewers are the hidden backbone of modern cities. In this video, I explain how sewer systems work, why they’re so important, and how engineers designed them to keep waste out of sight - and out of mind ...

Men constructing Brooklyn’s sewer system in the 19th century. Photo by Brooklyn Historical Society Ever wonder about what goes on in Brooklyn’s plumbing? As part of its How Brooklyn Works series, the ...

1.-2. Working in sewers presents a myriad of technological challenges. There are currently no robots that can work without direct human intervention and last for a long time in such a featureless, ...