The observation deck on the Burj Khalifa in Dubai, the tallest building in the world, has been closed for repairs only a month after it opened. Emaar Properties, the builder of the tower, said there had been an unexpectedly high number of visitors and problems with the power supply.

http://news.bbc.co.uk/2/hi/middle_east/8504852.stm

Even as the site was being excavated more than five years ago, during the halcyon days of the Dubai miracle, the Emirates construction business was disillusioning. Dogged by human and civil rights violations, the Pakistani, Bengali, Indian, and Chinese workers who poured the reinforced concrete, put in place the support beams, and manned the high cranes that still dominate the Dubai skyline were often subjected to unhygienic, overcrowded living quarters, unsafe working conditions, and withheld wages.

http://www.philly.com/inquirer/currents/81082807.html