There doesn't seem to be a thread here about this one, which kinda surprises me.
East Tower is going to begin once West Tower has topped out, which is going to be early/mid 2009. Site prep and foundation for the East Tower has been completed, so once it starts, it will rise fast.
Renderings:
Source: skyscrapers.cn
note the open atrium in the steel section
Construction pics:
source - skyscrapercity.com
May 13, 2007
November 12, 2007
January 4, 2008
Skeleton Detail (The facade will be near transparent, so the skeleton will be completely visible.)
April 1, 2008
April 16, 2008
May 9, 2008
Facade (Plastic wrap still on?):
June 21, 2008
Threaded Mode