A freight train of the ÖBB (Austrian State Raiways) is running up the north ramp of the Semmering pass line, UNESCO World Heritage since 1998, with two locomotives 1144 in front on the Kalte Rinne viaduct, and a pusher locomotive 1144 in the rear, visible on the Krauselklause viaduct. In the background the Polleros rock wall and the Rax mountain range with the Heukuppe (2007 meter a.s.l.) on the left.