"Schalke" diesellocomotive Gmf 234 # 02 "Engadin" of the Rhaetian Railway is rounding the 70 meter radius curve of the Brusio spiral viaduct, which is in a grade of 7.0 % and was built in 1908 for the Bernina Railway. The viaduct has 9 bows of 10 meter span each, the height is between 7 and 17 meter. The locomotive is running as train 9636 from Tirano over the Bernina pass to Samedan, pulling the rail corridor dyagnosis car P # 10175 of the ARGE (syndicate) Sersa/INovitas/Kistler, which is recording the line with highresolution, georeferenced 3D-Video of the "infra3DRail" system of INovitas.
