Calving glacier, Perito Moreno Glacier, Los Glaciares National Park, UNESCO World Heritage Site, Santa Cruz, Argentina, South America

Ship breaking through ice floe and drift ice, Greenland, Arctic, Polar Regions

Aerial of the Icebreaker '50 years of victory' on its way to the North Pole breaking through the ice, Arctic

Aerial of the Icebreaker '50 years of victory' on its way to the North Pole breaking through the ice, Arctic

People enjoying the breaking ice on board of an icebreaker, North Pole, Arctic

Breaking ice in Leifdefjord, Svalbard Archipelago, Norway, Arctic, Scandinavia, Europe

People enjoying the breaking ice on board of an icebreaker, North Pole, Arctic

Tourists watching the ice breaking on board of an icebreaker, North Pole, Arctic

Breaking ice in Leifdefjord, Svalbard Archipelago, Norway, Arctic, Scandinavia, Europe

Old ice breaking under newer ice when the lake froze, Lake Baikal, Russia.

Old ice breaking under newer ice when the lake froze, Lake Baikal, Russia.

Perito Moreno glacier ice breaks into the lake, Lago Argentino.

Adult female polar bear (Ursus maritimus) walking on multi-year ice floes in Franz Josef Land, Russia, Arctic Ocean, Eurasia

Ice breaking off Glaciar del Frances, Torres del Paine National Park, Patagonia, Chile, South America

The face of glacier calving off on the South Sawyer Glacier, Tracy Arm, Southeast Alaska, United States of America, North America

The face of glacier calving off on the South Sawyer Glacier, Tracy Arm, Southeast Alaska, United States of America, North America

Iceberg amongst winter sea ice breaking up in the Weddell Sea, Antarctica, Polar Regions

Iceberg amongst winter sea ice breaking up in the Weddell Sea, Antarctica, Polar Regions

Winter sea ice breaking up in the Weddell Sea, Antarctica, Polar Regions

Tourist ship breaking through pack-ice, Antarctic Peninsula, Polar Regions

Avalanche debris and ice breaking up on Coire an Lochain, Cairngorms, Scotland, United Kingdom, Europe

Avalanche debris and ice breaking up on Coire an Lochain, Cairngorms, Scotland, United Kingdom, Europe

Avalanche debris and ice breaking up on Coire an Lochain, Cairngorms, Scotland, United Kingdom, Europe

Avalanche debris and ice breaking up on Coire an Lochain, Cairngorms, Scotland, United Kingdom, Europe

Grit salt remains the most commonly used method of removing ice and snow from the ground. All kinds of salt are effective at breaking up ice crystals, but grit salt is the preferred method for use in salt-spreading machines as long as the grit salt is kept dry. The grit salt also adds some friction to flat areas, making the ground better for tyres and shoes to grip on to.? . "

Grit salt remains the most commonly used method of removing ice and snow from the ground. All kinds of salt are effective at breaking up ice crystals, but grit salt is the preferred method for use in salt-spreading machines as long as the grit salt is kept dry. The grit salt also adds some friction to flat areas, making the ground better for tyres and shoes to grip on to.? . "

Ships bow breaking ice to enter a fjord in the high arctic. Svalbard / Spitsbergen

The National Geographic Endeavour and its inflatable Zodiacs breaking through fast ice in and around the Antarctic Peninsula.

A glacier calving event in Neko Harbor in Anvers Bay on the west side of the Antarctic Peninsula.

The National Geographic Endeavour breaking through new fast ice around the Antarctic Peninsula.

The National Geographic Endeavour breaking through ice floes in the Weddell Sea around the Antarctic Peninsula. Guests are on the bow watching the process.

The Lindblad Expedition ship National Geographic Explorer breaking through ice in the Svalbard Archipelago, Norway

Massive waves breaking on iceberg detail in and around the Antarctic Peninsula during the summer months

The National Geographic Endeavour breaking through fast ice in the Weddell Sea around the Antarctic Peninsula. Guests are on the bow watching the process.

The National Geographic Endeavour breaking through new fast ice around the Antarctic Peninsula. Note the orange hull paint left on the ice where the bow has pushed through.

Sampo Icebreaker cruise, an authentic Finnish icebreaker turned into touristic attraction in Kemi, Lapland

Glacier calving, Perito Moreno Glacier, Los Glaciares National Park, Argentina, South America

Ice floes on the Baltic Sea off Stein, Probstei, Ploen district, Schleswig-Holstein, Germany, Europe

Ice falling off Garibaldi Glacier, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Ice falling off Garibaldi Glacier, Darwin National Park, Tierra del Fuego, Patagonia, Chile, South America

Ice breaking off the Perito Moreno Glacier, Lago Argentino lake, High Andes, near El Calafate, Patagonia, Argentina, South America

Ice calving, Monacobreen or Monaco Glacier, Liefdefjorden, Spitsbergen, Svalbard Islands, Svalbard and Jan Mayen, Norway, Europe

Ice calving, Monacobreen or Monaco Glacier, Liefdefjorden, Spitsbergen, Svalbard Islands, Svalbard and Jan Mayen, Norway, Europe

Ice breaking off the Briksdalsbreen glacier and crashing down to the valley, Norway, Scandinavia, Europe

The glacier tongue calves into the Pacific, Columbia Glacier, Prince William Sound, Alaska, USA, North America

Ice falling from Chenega Glacier into the sea, Prince William Sound, Alaska, USA

The USCGC Shackle motors through the ice covered Kennebec River en route for a day of ice breaking.

Ice Breaking Apart On The Surface Of Portage Lake In Springtime, Chugach National Forest, Portage, Alaska, United States Of America

Ice Breaking Apart On The Surface Of Portage Lake In Springtime With Ice Crystals In The Water, Chugach National Forest, Portage, Alaska, United States Of America

Icebreaker Ship On The High Arctic Waters

Ice Breaking Apart On The Surface Of Portage Lake In Springtime With Ice Crystals In The Water, Chugach National Forest, Portage, Alaska, United States Of America

Fast ice breaking up, Svalbard, Arctic