An igloo, also known as a snow house or snow hut, is a type of shelter built of suitable snow. Snow is used because the air pockets trapped in it make it an insulator. [1]
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Igloos were featured in Home Wrecked Home.
The igloos evaporated from the Artic.
In 2 years after people, igloos are being vanished from the face of the Earth. The show gave information that igloos were built in the Arctic for centuries which is made from blocks of compressed snow, but the structures are hardly frozen in time. Steven S. Ross stated that in cold Arctic climates, snow doesn't melt but evaporates and the ice in the snow would go directly from being solid to being gas. After 2 years, the snow block evaporates, the very last igloo has wafted into the frigid Arctic sky, and igloos disappeared.