It's amusing how Hugo portrays the sewers as a terra incognita, implying that the sewer system somehow emerged naturally and remained unknown until 1805 (but he will write about the history of sewers in the next chapters).
He provides such a detailed description of the filth inundation of 1802 that I immediately wanted to see how it correlates with the map of Paris (there are many good maps available of the Paris sewer system). Then there's the intricate description of sewer openings from which various pestilences were believed to spread. And when I read this "The popular imagination seasoned the sombre Parisian sink with some indescribably hideous intermixture of the infinite," it reminded me of the Infinite from the convent digression, and I couldn't help but start giggling.
And now, a man ironically named Bruneseau is about to venture into the sewers. I'm intrigued.















