Let us confess, that, taking it all in all, this sweeping is a homage which the sewer pays to civilization, and as, from this point of view, Tartuffe’s conscience is a progress over the Augean stables, it is certain that the sewers of Paris have been improved.

It is more than progress; it is transmutation. Between the ancient and the present sewer there is a revolution. What has effected this revolution?

The man whom all the world forgets, and whom we have mentioned, Bruneseau.

Future Progress