Yes actually there have! The concrete used to build the tower could not be poured in the day during summer because of the heat therefore builders had to put ice and pour concrete at night when the air was much cooler
January 2004
Burj Khalifa's actual name is 'Burj Khalifa Bin Zayed Al Nahyan'.
the burj khalifa is 856m
Burj Khalifa in Dubai was Burj Dubai then officially renamed by Dubai's ruler as the Burj Khalifa named after the United Arab Emirates President Sheikh Khalifa bin Zayed.
The Burj Khalifa means "Khalifa tower" in Arabic. It is named for Sheikh Khalifa (Khalifa bin Zayed Al Nahyan), the emir of Abu Dhabi and president of the United Arab Emirates. The Burj Khalifa is a skyscraper in Dubai, United Arab Emirates, and is the world's tallest building since 2010. Originally it was called the Burj Dubai, but problems with the financing and marketing of the huge structure led to seeking outside capital, which was provided by the ruler of the neighboring emirate of Abu Dhabi.
Burj Dubai was officially "renamed" by Dubai's ruler as the "Burj Khalifa" -- named after the UAE President Sheikh Khalifa bin Zayed.
I designed Burj Khalifa
Burj Khalifa is the Tallest structure on Earth Situated in Dubi
No ,, 130 floors of the burj khalifa vs 110 of twin towers , butj khalifa way bigger
5 people were killed in the construction of the sears tower
Burj Khalifa ia the new Name of Burj Dubai. While opening the world's tallest building this was declared.
The Burj Khalifa broke 14 records