Bryan and Cherry Alexander / Small snow blower clearing snow off the Blue Ice Runway, Patriot Hills. Antarctica, January 2006.

Floris van Breugel / Early summer morning, clearing mist reveals Mt. Rainier, with summer alpine blooms on the shores of lake, Rainier National Park, Washington, USA, June 2008.

Bryan and Cherry Alexander / Snow blower clearing a winter road near the Yurharovo gas field north of Noviy Urengoi. Yamal, Western Siberia, Russia.

Bryan and Cherry Alexander / Large snow blower clearing snow off the Blue Ice Runway, Patriot Hills, Antarctica, January 2006.

Bryan and Cherry Alexander / Large snow blower clearing snow off the Blue Ice Runway, Patriot Hills. Antarctica, January 2006.

Bryan and Cherry Alexander / Small snow blower clearing snow off the Blue Ice Runway, Patriot Hills. Antarctica, January 2006.

Angelo Gandolfi / Snow plough clearing road, in the forest of Carrozzica, Haut Asco mountains Parc Naturel Regional de Corse, Calvi, Corsica island, France, February 2010

Bryan and Cherry Alexander / Snow plough clearing road between Murmansk and Nikel. Kola Peninsula, Northwest Russia, 2005.

Tim Fitzharris / June Lake reflecting snow-covered mountains after clearing storm, eastern Sierra Nevada mountains, California

Tim Fitzharris / June Lake and clearing storm, eastern Sierra Nevada Mountains, California

Gavin Hellier / Panoramic view of South Rim with clearing winter storm, Grand Canyon NP, Arizona, USA

Colin Monteath / Campsite after storm at Concordia under Mitre Peak, Karakoram Mountains, Pakistan

Colin Monteath / Trango Peaks, 6,286 meters elevation, and clearing storm at dawn above Baltoro Glacier, Karakoram Mountains, Pakistan

Bryan and Cherry Alexander / Large snow blower clearing snow off the Blue Ice, Patriot Hills, Antarctica, January 2006.