Original sentence: The building officially opened on 4 January 2010, and is part of the new  development called Downtown Dubai at the 'First Interchange' along Sheikh Zayed Road, near Dubai's main business district
Edited sentence: It would take  7835 years for 1 person to build the whole building on their own(because of the tallness and different architectures).It would take 7835 years for one person to build the building on their own.The building officially opened on 4 January 2010 it was named Burj Dubai before it's inauguration because Dubai was in need of money and Abu Dhabi gave Dubai 2 billions overnight and  in return asked for changing the name of Burj Dubai to Burj Khalifa, and is part of the new  development called Downtown Dubai at the 'First Interchange' along Sheikh Zayed Road, near Dubai's main business district