Aside from the official opening of the world’s tallest building yesterday, its name was changed from Burj Dubai to Burj Khalifa. Paying tribute to “the ruler of the neighboring emirate of Abu Dhabi, Sheikh Khalifa bin Zayed Al Nahyan.” Continue reading to watch the opening fireworks.

The centerpiece of the $20 billion Downtown Dubai project includes 37 office floors, 1,044 apartments and 160 hotel rooms designed by Giorgio Armani. Emaar said it expects 12,000 people to live or work in the tower and connected office buildings.

[via GizmodoLAtimes]