As winter approaches in the northern hemisphere and the nights draw in, our thoughts turn to the beauty of ice and snow. Winter photography, especially in the colder parts of the world, is a specialized niche. Photographers have to take care of their cameras and guard against frostbite and hypothermia. They often venture into remote wilderness searching for the perfect winter landscape. Their reward is stunning imagery. As a tribute to these hardy men and women, we bring you 50 beautiful wi...