Goodbye Dubai, Hello Khalifa: Ruler Renames World's Tallest Tower

AP: Dubai opened the world’s tallest structure on Monday, and a statement said it was 828 metres (2,717 ft) high. Dubai’s ruler Sheikh Mohammed bin Rashid al-Maktoum renamed the tower Burj Khalifa after the president of the United Arab Emirates and the ruler of the neighboring emirate of Abu Dhabi.