Pink clouds and snow frame the Bernina Express train at dawn, Bernina Pass, Canton of Graubunden, Engadine, Switzerland, Europe

travel destination photography horizontal colour image snow cold temperature dawn engadine switzerland europe graubunden bernina pass train pink outdoors cloudy sky no people landscape scenics physical geography non urban scene sunlight tranquil scene beauty in nature dramatic sky blurred motion mountain colour color image color outside tourist destination travel nobody no one no one topography scenery scenic scene scenes picturesque the natural world tranquility serene serenity peaceful natural beauty cloud clouds cloudy sunrise morning x 2017m2 x printready