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

photography vertical color image travel destinations travel outdoors sunset dusk switzerland europe ice frozen lake sils lake water piz da la margna engadine graubunden canton no people landscape bubble sunshine sunlight mountain snow winter reflection sundown evening twilight icy lakes pond ponds nature natural mountains outdoor outside sun travel destination tourist destination tourist destinations print2020m12 select2020m12