An igloo is a type of shelter made from blocks of snow, commonly associated with the Inuit people of the Arctic. These structures are built in a dome shape, which helps them stay warm inside despite the freezing temperatures outside. The snow used to build igloos acts as insulation, trapping heat from the body and keeping the interior cozy. Inside an igloo, there is often a small fire or lamp to provide light and warmth. The design of the igloo allows for a small entrance that helps keep the cold air out. Igloos are not just homes; they also showcase the incredible adaptability of humans to harsh environments.