چه چیزی در داخل برج خلیفه وجود دارد؟ (زبان اصلی)

The Burj Khalifa is currently the tallest building in the world! (as of 2018) This video shows you all about it - surrounding landscape, shape of the building, what the floors are used for, elevator system, and comparisons to other tall buildings.
چه چیزی در داخل برج خلیفه وجود دارد؟ (زبان اصلی)