A very interesting idea for sheltering the homeless, will be following its progress http://www.jetsongreen.com/2014/01/campbell-river-homeless-hope-to-winter-in-shipping-containers.html jetsongreen.com
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Bulgarian designer Georgi Djongarski makes an unique tent for homeless people. Called I-gloobox, It is made of thick fabric, which is connected together with a band attached to the aluminum of folding. I-gloobox is effective to ward off the cold during winter, and easy to maintenance.