They build themselves with a little help from a smaller cousin.
(via http://www.wired.com/gadgetlab/2009/09/video-how-a-construction-crane-is-erected/ )
They build themselves with a little help from a smaller cousin.
(via http://www.wired.com/gadgetlab/2009/09/video-how-a-construction-crane-is-erected/ )
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