"Allegra" trainset ABe 8/12 # 3506 is entering Ospizio Bernina, highest station of the Rhaetian Railway on 2253 meter a.s.l., with train 1633 from St.Moritz to Tirano. The snow fighting composition with snow blower Xrot mt # 95403 and locomotive Gem 4/4 # 802 is waiting in the siding track 3.