Interior of a Preferente Talgo 6 Sleeping-car (TWL6g-603), seen in the consist of Trenhotel Elipsos 475/4 "Joan Miró" (Barcelona Estaçió de França ---> Paris Austerlitz).
Side-corridor.
This pic was made just North of Orléans, and one can spot the testing section for the still-born Aérotrain through the window...