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Build on a slope to save effort of course an igloo can be built on flat land without any problems but by building your igloo into a hillside the slope will cut down on the surface area of your igloo dome less surface area means fewer bricks and fewer bricks mean less work for you. From the wonderful bbc documentary a boy among polar bears a young inuit learns how to build an igloo subscribe http bitly bbcstudioswatch morehirosh. Building an igloo is no easy task no matter how much knowledge and skill you have you still need to have the right amount of snow and ice as well as the right consistency without this its impossible to properly build the ice blocks needed for a strong and secure igloo. This classic short film shows how to make an igloo using only snow and a knife two inuit men in canadas far north choose the site cut and place snow block