Cogwheel railway to Mount Pilatus, a recreational mountain near Lucerne, the 48% gradient making it the steepest cogwheel railw

- Image ID: T21BMM
Cogwheel railway to Mount Pilatus, a recreational mountain near Lucerne, the 48% gradient making it the steepest cogwheel railw
Isidro Lopez / Alamy Stock Photo
Image ID: T21BMM