Brandnew articulated, partly lowfloor, cogwheel train Bhe 4/6 # 3091 of the Gornergratbahn (GGB) is on brake test runs between Riffelalp and Riffelberg, with the mighty Matterhorn on the left. StadlerRail delivers 5 of this new trains, which are named "POLARIS" (POpular LAndscape Railway In Switzerland). The new trains # 3091 to # 3095 will run in multiple control with the Bhe 4/6 # 3081 to # 3084 (built 2006) with up to 30 km/h, slightly faster, enabling a 20-minutes interval timetable.