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/ )
1 thought on “How construction cranes are put together.”