Former Bernina Railway locomotive Ge 4/4 # 81, built in 1916 by SLM and BBC, since 1970 on the Blonay Chamby Railroad Museum, is pulling a special passenger train from Montreux to Gstaad on the line of the MOB (Montreux Oberland Bernois), between Allières and Les Sciernes, on the occasion of the "Bündnertag im Saanenland" and for celebrating 50 years of the Blonay Chamby Railroad Museum.