Railcars ABe 4/4 (called Tw III: railcars third generation of the Bernina line) # 56 and # 54 in multiple control are pulling northbound regional train 1636 from Tirano over the Bernina pass to St.Moritz, passing the beautiful Lej Nair (Black Lake), just some meters from the continental divide between Mediterranean sea and Black sea, on about 2230 meter a.s.l. In the background from left to right Piz Trovat (3146 meter), Sass Queder (3066 m) and Munt Pers (3207 m).