Former Grytviken whaling station under snow, King Edward Cove, South Georgia, South Georgia and the Sandwich Islands, Antarctica, Polar Regions

Norwegian style Whalers Church, former Grytviken whaling station, South Georgia and the Sandwich Islands, Antarctica, Polar Regions

A snow machine in the Cairngorms, surrounded by bare slopes, after poor snow falls in March 2012, Scotland, United Kingdom, Europe

A snow machine in the Cairngorms, surrounded by bare slopes, after poor snow falls in March 2012, Scotland, United Kingdom, Europe

A snow machine in the Cairngorms, surrounded by bare slopes, after poor snow falls in March 2012, 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.? . "

Three people on a snowmobile in the mountains, Alto Adige, South Tyrol, Italy, Europe

Two snowploughs preparing the ski slope at dawn, Seiser Alp, Dolomites, Alto Adige, South Tyrol, Italy, Europe

Snow cannon in action in the evening, Alto Adige, South Tyrol, Italy, Europe

Snow cannon spraying snow into a valley between Ehrwald and Lermoos at dusk, Tyrol, Austria, Europe

Alta Badia ski resort, Sella Ronda ski trail, Val Gardena, Alto Adige, Italy, Europe

Snowy snow cannon out of service, Tyrol, Austria, Europe

Cranes on tracked vehicles for laying a pipeline, Marchfeld, Lower Austria, Austria, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Snowgun, Riggisalp, Fribourg, Switzerland

Snow cannon, snow making machine on the mountaintop plateau on Kronplatz mountain, 2272 m, Kronplatz winter sport region, Bruneck, Puster Valley, Province of Bolzano-Bozen, Italy, Europe

A snow cannon in front of the Zugspitze panorama, Ehrwald, Leermoos, Tirol, Austria, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Snowgun, Riggisalp, Fribourg, Switzerland

Snow groomer with cross-country ski-track machine

Snow cannon on Erbeskopf mountain near Morbach in the Hunsrueck mountain range, Rhineland-Palatinate, Germany, Europe

Snow cannon, snow making machine on the mountaintop plateau on Kronplatz mountain, 2272 m, Kronplatz winter sport region, Bruneck, Puster Valley, Province of Bolzano-Bozen, Italy, Europe

Pipes of a pipeline in front of tracked vehicles for laying a pipeline, Marchfeld, Lower Austria, Austria, Europe

A snow cannon in front of the Zugspitze panorama, Ehrwald, Leermoos, Tirol, Austria, Europe

Snowgun, Riggisalp, Fribourg, Switzerland

Carlswerk Museum in winter, former machine factory, Maegdesprung, Harzgerode, Harz, Saxony-Anhalt, Germany, Europe

Snow patterns made from a grooming machine line the snow in Truckee, California.

USA, New York City, machine removing snow

Irrigation equipment on a snow covered field

Irrigation equipment on a snow covered field

Irrigation equipment on a snow covered field

USA, New York City, machine removing snow