Cogwheel railcar BDhe 2/4 202 with cab car Bt, built in 1955 by SLM and BBC, in the new red colors, in front of the Mönch (4107 m a.s.l.) and Jungfraujoch. 1 meter gauge, Strub cogwheel system, 1125 V 3-phase current. The Jungfraubahn is celebrating 100 years of operation this year.