Deep Blue Ice
Vibrant blue ice is found inside of an ice cave in Vatnajokull Glacier. The deep blue color occurs becaus ethe ice is so dense that all of the air has been squezzed out of the ice and this causes red light to be absorbed and blue light to be reflected and scattered.
Sunflower Field and Twilight Sky
A field full of brilliant sunflowers lit by subtle pink and yellow clouds of a summer twilight sky.