I discovered the Art-On-Train festival on it's second edition thanks to the Lausanne Photoclub. And the visit was well worth it!
Running through a Jura valley between Vallorbe and Pontarlier, a formerly abandoned railway line serves today as a touristic steam train line (Coni'Fer). One of it's railway stations was the scene for this street art and graffiti festival.
Here some impressions of the artists at work condensed in a short video: