In front of the 2974 meter high Piz Alv, the self propelled 0-6-0+0-6-0 steam rotary snow blower with dual power (diesel/electro) locomotive Gem 4/4 # 802 "Murmeltier" (Marmotte), is on a staff training run from Bernina Lagalb to Ospizio Bernina, passing the Alp da Buond Sur.