On a regular bed, people simply lie down, close their eyes and drift off to La La Land within a few minutes. If it gets cold, they can easily turn on the heater or use a blanket or two to keep them warm. But how about the Eskimos? How do they survive the cold nights inside the icy interiors of an igloo?
In cold areas like the Arctic and Greenland, snow is a perennial element. Even though these places have summer, snow will still abide. This is why normal houses cannot last in this kind of environment, where the weather and temperature can easily penetrate the walls and freeze the people inhabiting the shelter. Within a few hours, the overwhelming cold temperature can cause a person to freeze to death or lose a part of their body due to frostbite. In order to prevent these tragedies from happening, igloos were invented. Constructed by the Inuit tribes for their hunting trips, an igloo can be made by building a shelter from snow and ice. These shelters are temporary because of the increased temperature during summer.
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