70180355 - Polar bear family (Ursus maritimus) waling across tundra -very cold air temperature and sun generate cool blue color in snow-70158110 - Cracks in rock eroded by extreme cold temperature. Jotunheimen National Park. Oppland, Norway. Falketind (2067 mt) in background.70499563 - A group of people experiences the elements while on a Mount Washington Observatory educational winter program on the summit of Mt. Washington, NH. The the winds, humidity and cold temperature combine to cover with a coating of rime ice after only a few mi
