This is the standard formation of the Albula Interregio trains. IR 1145 from Chur to St.Moritz is crossing the Stulsertobel I and II viaducts between Filisur and Stugl/Stuls, pulled by Ge 4/4 III # 644 (alraeady disappeared in the Stulsertobel II tunnel) , followed by a 6 car permanently coupled ALVRA trainset, in the rear (side Chur) a first class cab car At. The Ava da Stugl creek, falling down in the background, has very much water because of the late snowmelt.
