Architecture.

Condos/apartments are the single most
efficient form of housing, consuming
less real estate and fewer resources,
but they both have their problems. Micro
homes, given some criteria, could be
the ultimate answer to a growing
population coupled to dwindling resources:

http://jtem.tumblr.com/post/17418644818

http://jtem.tumblr.com/post/4715436659

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