Despite this, some people report gastrointestinal symptoms such as heartburn or diarrhea, especially at high doses. Obviously that did not affect you, since you were using it to ease the heartburn that can be triggered when you stop taking a medicine like esomeprazole (Nexium) or omeprazole (Prilosec).
Burj Khalifa's construction will have used 330,000 m3 (431,600 cu yd) of concrete and 39,000 tonnes (43,000 ST; 38,000 LT) of steel rebar, and construction will have taken 22 million man-hours. Exterior cladding of Burj Khalifa began in May 2007 and was completed in September 2009.
Burj Dubai (The 'Dubai Tower') According to Wikipedia: Burj Dubai in Dubai, United Arab Emirates is currently the world's tallest man-made structure. As of 26 September 2008, the building, which is still under construction, stood at 707 m (2,320 ft). When completed, it is expected to rise over 818 m (2,684 ft).