Half a mile high.
160 floors.
http://en.wikipedia.org/wiki/Burj_Dubai
over 3 million sq feet
Official website is here:
http://www.burjdubai.com/
Shanghai’s world financial center manages over 4 million square feet, despite being roughly 20% shorter.
http://users.ira.sch.gr/iriniper/allazontas_megethos/images/tallest-buildings.jpg
