> Would you build a mansion by putting in the skylights first, using hacked
quoted text
> together scaffolding to hold the skylight in place while others work on
> putting up walls, only to rip it all down again in order to put the
> foundation in??  Or would you lay a solid foundation, put up solid walls,
> add on a nice solid roof, and then put in the skylight?

I know you are going to hate me for this but:

http://www.emporis.com/en/wm/bu/?id=standardbankcentre-johannesburg-southafrica

In particular:
-	This tower was built from the top down, meaning that after the
central core was built, the floors were suspended from three
cantilevered arms with the top floors added first, followed by each
lower floor.

Sorry I couldn't resist.