From Gulf-daily-news.com: Dubai opened the world’s tallest structure in a ceremony meant to put a brave face on crushing debt woes. The $1.5 billion tower reaches 828 metres, 200 storeys into the sky, exceeding the next highest inhabited building, Taiwan’s Taipei 101, by more than 300m.

Dubai’s ruler Shaikh Mohammed bin Rashid Al Maktoum renamed the tower Burj Khalifa after the president of the UAE and the ruler of Abu Dhabi, Shaikh Khalifa bin Zayed Al Nahayan………………………………….Full Article: Source