Parts of northern France are still a hive of interesting railway activity. One such line is that from Paris to Boulogne where 1970's built diesel locos haul intercity trains on the non-electrified section north of Amiens.
On Sundays four different locos work on the line (there are only two booked diagrams on weekdays), and with the area so close to the south of England where I live it is entirely practical to take the car over for a day or two to sample the action.
In this picture BB67430 is seen in the evening sunlight following its departure from Rue on the 19:07 Boulogne Ville to Paris Nord. After Amiens the train will continue to Paris with electric traction.