Aerial view of the snow covered Piz Bernina and Biancograt mountains at dawn, Engadine, Graubunden Canton, Swiss Alps, Switzerland, Europe

photography horizontal color image travel destinations travel no people outdoors sunrise dawn aerial view snow switzerland europe mountain range graubunden canton piz bernina biancograt engadine swiss alps mountain peak mountain landscape clear sky shadow travel destination tourist destination tourist destinations morning twilight shadows outdoor outside nobody no one no person mountains