Ice bubbles trapped in Lake Sils with Piz Da La Margna in background at dawn, Engadine, Graubunden canton, Switzerland, Europe

photography vertical color image travel destinations travel outdoors sunrise dawn switzerland europe ice frozen lake sils lake water piz da la margna engadine graubunden canton no people landscape bubble mountain snow winter purple morning twilight icy lakes pond ponds nature natural mountains outdoor outside travel destination tourist destination tourist destinations print2020m12 select2020m12