As water from neighbour swamps still stays in the meadows after a quite rainy winter, this intercity train linking Bordeaux to Nantes is approaching La Rochelle, its mid way
BB 67523 waits in Boulogne-sur-Mer for departure with an Intercité bound for Paris. Change to an electric loco will take place at Amiens
InterCity train Lyon-Tours approaching "Les Sauvages" tunnel between Lyon and Roanne.