For the second time this winter, so-called "triangular trips" with the steam locomotive G 3/4 # 11 "Heidi" took place in the Upper Engadine, between St.Moritz, Pontresina and S-chanf. The light oil fired 2-6-0 T "Mogul" G 3/4 # 11 "Heidi" of the Rhaetian Railway, built in 1902 by SLM Winterthur, is pulling train 2629 from St.Moritz to Pontresina, near Celerina Staz. The cars are third class C # 32 former Landquart-Davos Bahn (LD) (built 1889), third class C # 66 (built 1897), Bistro car "Filisurer-Stübli" B # 2138 (built 1903) and first class A # 1102 (built 1903).