Cogwheel railcar Bhe 4/4 # 3061 of the Gornergrat Bahn (GGB) is shoving the measuring car P # 10175 of the ARGE FahrwegDiagnose (Working group driveway diagnosis), just below the summit of the Gornergrat, with Allalinhorn (4027 meter a.s.l.) and Rimpfischhorn (4199 meter).