Huge avalanche, near Tangnag, Khumbu region, Himalayas, Nepal, Asia

Views of the Chilean Antarctic refuge hut Jorge Bonnen Rivera situated on Hut Point on the Antarctic Peninsula, Antarctica, Polar Regions

A break down recovery vehicle in winter snow on Kirkstone Pass in the Lake District, Cumbria, England, United Kingdom, Europe

Images of the rescue of 154 people from the sinking expedition ship Explorer in Antarctica

Members of the Langdale Ambleside Mountain Rescue Team rescue a man fallen through ice on Rydal Water in the Lake District National Park, Cumbria, England, United Kingdom, Europe

A break down recovery vehicle in winter snow on Kirkstone Pass in the Lake District, Cumbria, England, United Kingdom, Europe

Members of the Langdale Ambleside Mountain Rescue Team rescue a man fallen through ice on Rydal Water in the Lake District National Park, Cumbria, England, United Kingdom, Europe

Snowed-in rescue tower in frozen Mueggelsee, Berlin, Germany, Europe

Rescue helicopter landing on Capt. Khlebnikov icebreaker near Enderby Island, Auckland Islands Archipelago, New Zealand, Oceania

Mountaineers climbing on Zufallferner Glacier, during a crevasse rescue, South Tyrol, Italy

Lifebuoy, Antarctic Dream ship, Lemaire Channel, Antarctic Peninsula, Antarctica

Concordia staff on their knees helping a person lying on a stretcher. Helped by a snowmobile. Rescue exercise in the event of an accident involving several victims. These frequent exercises are supervised by the doctor. All the resort's winter residents are assigned a very specific role in the event of an accident, illness or fire. A redundancy system allows this system to function in the event of one or more winterers failing to respond. Concordia Antarctic Research Station, Dome C plateau, East Antarctica.