A dive into the unseen worlds of the City of Lights. Tens of millions of tourists pass each year through the splendor of a city that has captured hearts, but few know the secrets of the most vital and essential sectors serving the residents of Paris. From civil defense teams, to Paris's sanitation department, to sewer workers, to high-voltage engineers, and the management of the city's historic hotel, all workers unite to shape the charm of a city that no visitor can forget.
