https://www.europesays.com/3273958/ In 1871, Switzerland put a toothed rail between normal train tracks so carriages could climb steep Mount Rigi; 155 years later, the same system still works #HistoricTrainTravel #MountRigi #Nachrichten #Nouvelles #RackRailway #schweiz #Suisse #switzerland #SwitzerlandTourism #ToothedRail