The world's cleanest railway

At CEA-Leti, in Grenoble, there's a "funicular" that not many people get to ride: because it's between two clean rooms, and getting to it requires quite a lot of preparation. ■ CEA-Leti: https://www.leti-cea.com/cea-tech/leti/english/Pages/Welcome.aspx

For most of my research on this, I'm indebted to this French-language article from by Julien Meyrat: https://www.vepres.fr/vepres-presse-salles-propres-funiculaire/

Camera: Simon Gillouin
Editor: Michelle Martin https://www.youtube.com/@OnTheCrux
Local production by Block8 https://block8production.com

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