that is amazing.
you could actually carry on working in the upper floors as the lower ones are removed!
( Paster of Muppets Join the 39,000 club!, Fri 18 Jul 2008, 19:56, Reply)

I agree
That is stunning.
Trust the japanese to come up with something like this
(The Ear-Trumpet If in doubt pass on the trout, Sat 19 Jul 2008, 21:56, Reply)