Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

Sunrise over Coburg island, Nunavut, Canadian Arctic, Canada, North America

Woman walks dog on winter's day across snow-covered Hampstead Heath, North London, England, United Kingdom

Man exercises in snow-covered Hampstead Heath, North London, England, United Kingdom

Skid marks in the snow from a car on a steep road in Ambleside, Lake District, Cumbria, England, United Kingdom, Europe

A car stuck in the snow on Kirkstone Pass near Ambleside in the Lake District, Cumbria, England, United Kingdom, Europe

A snow plough trying to keep Kirkstone Pass open in the snow, Lake District, Cumbria, England, United Kingdom, Europe

A car abandoned in the snw on Kirkstone Pass in the Lake District, Cumbria, England, United Kingdom, Europe

Bernina Range with Mount Piz Bernina, 4048 metres above sea level, and Mount Piz Morteratsch, 3751 metres above sea level, Buendner Alps, Canton of Graubuenden, Switzerland, Europe

Mountain hut Restaurant Chez la Tante backed by the enormous mountain Mt. Blanc Haute-Savoie France

Svalbard Reindeer (Rangifer tarandus platyrhynchus), young male foraging for food on a windblown, icy slope, Adventdalen, Spitsbergen, Svalbard, Norway, Europe

Wide open view over rocks to icebergs glaciers and mountains Sermilik Fjord Eastgreenland

Wide open view over a snow field through rocks to icebergs in Sermilik Fjord Eastgreenland

Travellers explore New Zealand's famous Franz Josef Glacier. Blue Ice, deep crevasses, caves and tunnels mark the ever changing ice; West Coast, New Zealand

Travellers explore New Zealand's famous Franz Josef Glacier. Blue Ice, deep crevasses, caves and tunnels mark the ever changing ice; West Coast, New Zealand

Small iceberg floating in Greenland's Kaiser Franz Joseph Fjord, East Greenland, Greenland

Hawaii, Big Island, Mauna Kea, Woman skiing downhill at high elevation.