If you follow green building and architecture, you’re probably aware that size does indeed matter. 

Meet Gary Chang, a Hong Kong architect who transformed his pint-sized living space — a cramped 330-square foot apartment typical for densely populated Hong Kong — into a super-efficient, 24-room bachelor pad with the help of an ingenious system of sliding walls, panels, and gizmos.

Chang’s apartment — dubbed “The Domestic Transformer — truly has to be seen to be believed so check out the below video from World’s Greenest Homes. The New York Times also profiled Chang and his amazing mini-mansion back in January. Would you able to live in this kind of set-up? Or are actual rooms irreplaceable? 

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