I have been following this thread with interest.
Thank you all who have contributed for your reasoned and
thoughtful submissions. This has been the one thing
that has stopped me from switching off OT.

Right, that's buttered you all up 8-)
I have a question. Does it really make economic sense to
go so high pushing all engineering disiplines to the limits
or does personal/corporate/city/state ego also come into the
equation to justify building the structure ?

Either way, in the light of recent events, I would think that
risk assesments on skyscrapers worldwide are now been revised
particularly by the Insurers and the revised insurance costs
could make some of these buildings no longer viable.

As a personal aside, I have been up a couple of these buildings
in the USA and Canary Whafe in the UK and quiet frankly they scare
Willies out of me. (Hell, even the Post Office Tower in London did that)
yet I felt safe at the bottom of a South African Gold Mine.
There is obviously something wrong with the way my brain is
constructed.

Regards

Chris Carr

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