"Schalke" diesellocomotive Gmf 234 # 03 (or "D3") "Albula" with a short ballast train on the 68 meter long Nisellas viaduct between Tiefencastel and Solis. The workers are just unloading ballast during the slowly trip.
From a hint of "Bee" (NKP 765), colorful "Bees" (KCS), "Bees" w/ "attitude", to "Bees" that "sting" your eyes, in their own way they have "Bee" on display! Equipment that "Buzzes" with Yellow & Black colors! ("Bees" can still "Bee" entering this "hive"!)