Golden Labrador in the snow with a tennis ball, United Kingdom, Europe

A Campbell Stokes Sunshine Recorder, which measures hours of sunlight at Base Orcadas, which is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, just off the Antarctic Peninsular. The Antarctic Peninsular is one of the fastest warming places on the planet.

Head chef Tommi of the Lindblad Expedition ship National Geographic Endeavour at play in Antarctica. No model release.

Chief Officer Bernd of the Lindblad Expedition ship National Geographic Endeavour at play in Antarctica.

Row of Christmas ornaments in the snow

Family throwing snowballs

girl throwing a snowball towards a boy during a snowball fight in winter, Pfronten, Allgaeu, Bavaria, Germany

boy forming snowballs in winter, Pfronten, Allgaeu, Bavaria, Germany

Two young women throwing snowballs, Spitzingsee, Upper Bavaria, Germany

girl throwing a snowball towards a boy during a snowball fight in winter, Pfronten, Allgaeu, Bavaria, Germany

boy forming snowballs in winter, Pfronten, Allgaeu, Bavaria, Germany

Two young women throwing snowballs, Spitzingsee, Upper Bavaria, Germany

Playing polo in the snow, International tournament in Livigno, Italy

boy forming snowballs in winter, Pfronten, Allgaeu, Bavaria, Germany

Polospieler kaempfen um den Ball, Poloturnier, 26. St. Moritz Polo World Cup on Snow, St. Moritz, Upper Engadin, Engadin, Grisons, Switzerland, Europe

Polo players battling for the ball, polo horses galloping across the snow, Snow Arena Polo World Cup 2010 polo tournament, Kitzbuehel, Tyrol, Austria, Europe

Polo players battling for the ball, polo horses galloping across the snow, Snow Arena Polo World Cup 2010 polo tournament, Kitzbuehel, Tyrol, Austria, Europe

Weather station on Mt. Rittnerhorn above the Renon, Bolzano Area, South Tyrol, Italy, Europe

A woman in a ball gown outdoors in the snow, Wallingford, Pennsylvania, USA

USA, Utah, Provo, Boys (10-11, 12-13) and girls (10-11, 16-17) having snow ball fight in front of house

USA, Utah, Provo, Boys (10-11, 12-13) and girls (10-11, 16-17) having snow ball fight in front of house

USA, Utah, Provo, Boys (10-11, 12-13) and girls (10-11, 16-17) having snow ball fight in front of house

USA, Colorado, Telluride, Grandparents with girl (10-11) throwing snowballs at camera

Christmas ball with ribbon, festive decoration, tree covered with artificial snow