Inuit usually built their ... When spring arrived and temperatures rose, igloos would begin to melt quickly. But it was time to move then anyway to follow game and live in tents for the summer.

The answer is of course, an igloo! 'Igloo' is an Inuit word for 'snow house', and 'Inuit' is the word that describes the people who live in the frozen lands of northern Canada, Alaska and Greenland.