Snow dogs

A husky is pictured as sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images
A husky is pictured as sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images
A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies pull a sledge in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies pull a sledge in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Ella Sugars aged three years old from Kinloss, enjoys a ride on a sled pulled by a husky during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Ella Sugars aged three years old from Kinloss, enjoys a ride on a sled pulled by a husky during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

 A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest courses during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Tim Suggars skies behind a husky during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Tim Suggars skies behind a husky during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Louise Sugars hugs one of her husky dogs during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Louise Sugars hugs one of her husky dogs during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies pull a sledge in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies pull a sledge in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky howls during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky howls during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky howls during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky howls during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies look out of their cage as sledders gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge in Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies look out of their cage as sledders gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge in Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A man rides a sled pulled by huskies in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky is pictured as sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

A husky is pictured as sledders and their huskies gather in a forest course during practice for the Aviemore Sled Dog Rally in Feshiebridge, Scotland. Photo by Jeff J Mitchell/Getty Images

Huskies and dog sledders train ahead of the GB Aviemore sled dog rally this weekend in Scotland, England.