But when the snow is light, and the wind blows, it can build up in snow drifts—like sand dunes.
Snow happens especially during winter. That means December, January, and February.
You can also ski across the snow, even where it is flat. These people are cross-country skiing.
In very cold places, with few roads, dogs pull sleds with people and their things!
Remember the story of Balto? He was the lead dog in a dogsled team.