The Jeddah Tower is the next tallest building in the world will open in Saudi Arabia. It is a skyscraper on hold in the north side of Jeddah. It is expected to be the first building in the world of 1 km (3,281 feet) high and its surrounding around 50 hectares (120 acres). The Jeddah Tower will have the highest hanging balcony and an observation deck in 652 meters above from the sea level.
The economic city of Jeddah was designed by the architects HOK. Its construction cost is estimated at least US$ 1.2 billion and its construction takes about ten years.
The initial plans provided for a one-mile (5,280-foot) structure, but the geology of the area proved inadequate for a tower of this height. The design of the Jeddah Tower by the American architect Adrian Smith, who also designed Burj Khalifa.