Aldar Headquarters building

The Aldar Headquarters building is the first circular building of its kind in the Middle East. It is located in Al Raha, Abu Dhabi, United Arab Emirates.

The shape of this building is achieved through the use of structural diagrid, a diagonal grid of steel.

The building features the following elevators:


 * 12-passenger elevators
 * 2 service elevators
 * 3 mono-space elevators
 * 1 circular hydraulic lift
 * 2 dumbwaiters
 * 23 floors

Use of the golden ratio
The extent that the circle is embedded in the ground was designed around the golden ratio.