File photo taken on Jan. 20, 2019 shows a passenger train running across the Landwasser Viaduct near Filisur, Switzerland. (Photo: Xinhua) File photo taken on June 17, 2020 shows Passengers at ...

The train passes through some of the most beautiful landscapes in the world, such as the Rhône Glacier, the high and treacherous Oberalp Pass, the winding Landwasser Viaduct, and the Rhine Gorge ...