An igloo, also known as snow house, is a form of shelter built entirely of snow. The primary material used in constructing an igloo is compressed snow since solid ice is known to be a poor insulator. The compressed snow gets shaped into blocks. These blocks are then arranged to form a dome. On the inside, the snow house is terraced so people sleep at the uppermost level, leaving the bottom middle area for working and setting the fire.
Want to learn more about igloos?
people.howstuffworks.com/igloo.htm
www.britannica.com/topic/igloo
#igloo #snow #howtodraw
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