The tallest building in the world recently opened its doors for the first time. The Burj Khalifa is 828 metres tall, surpassing the previous record holder, Taipei 101 in Taiwan, by an astonishing 300 metres. There are over 160 stories, with the observation deck located on level 124, and 26,000 windows. The new building houses an Armani Hotel, apartments and office suites. The Burj Kharifa breaks numerous records and is a true feat of engineering. For more information visit www.burjdubai.com.