Ge 4/4 III No.651 is wearing a special 'Glacier on Tour' livery, as it leads a lengthy passenger train over the UNESCO listed Landwasser Viadcut. The modern cars at the rear of the consist are one of the 'Glacier Express' sets, which usually run combined with regular passenger services in this area. The big '18' on the cliff is part of the RhB Lotto, a competition for passengers. You can watch some video of this location here: https://youtu.be/gMHqd12RnVM