Grand opening for tallest building

摘要

The tallest building in the world, formerly known as Burj Dubai, has opened in a blast of spectacular fireworks at the inauguration ceremony early this month. The tower has been renamed Burj Khalifa, after Sheik Khalifa bin Zayed Al Nahyan, the ruler of Abu Dhabi who also serves as the president of the United Arab Emirates, the federation of seven small emirates, including Dubai and Abu Dhabi.