Bernina Express passes over Landwasser Viadukt surrounded by colorful woods, Canton of Graubunden, Switzerland, Europe

travel destination photography horizontal colour image europe day outdoors mountain landwasser viadukt canton of graubunden switzerland bernina express train train incidental people valley arch viaduct national landmark architecture swiss culture transportation non urban scene dramatic landscape scenics landscape physical geography on the move elevated view clear sky blue majestic train tracks color image colour color outside tourist destination travel architectural landmark place of interest background people people in the background topography scenery scenic scene scenes picturesque transport arches arched typically swiss traditional culture tradition traditional traditionally swiss european