Bernina Express train, Preda Bergun, Albula Valley, Canton of Graubunden, Switzerland, Europe

travel destination photography horizontal colour image europe outdoors switzerland graubunden canton of graubunden swiss culture snow cold temperature train transportation express train bernina express train albula valley valley preda bergun train carriage tree mountain clear sky blue no people day colour image colour color image color outside tourist destination travel nobody no one no one transport typically swiss traditional culture tradition traditional traditionally swiss