Jeddah Tower vs Guangzhou International Finance Center

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Jeddah Tower (Arabic: ??? ????), previously called Kingdom Tower (??? ???????), is a stalled construction project of a skyscraper on the north of Jeddah, Saudi Arabia. It is supposed to be the world's first 1 km (3,281 feet ) high building, and the centrepiece and first phase of a development and tourist attraction called Jeddah Economic City.There was steady progress but in January 2018 building owner JEC halted structural concrete work together with the tower about one-third completed because of labour issues with a builder after the 2017--19 Saudi Arabian purge.

JEC has said they plan to restart construction in 2020. The design, created by American architect Adrian Smith, who also designed the Burj Khalifa, incorporates many unique structural and aesthetic features. The founder and leader of the project is Saudi Arabian prince Al-Waleed bin Talal, a grandson of Ibn Saud, and nephew of the Kings of Saudi Arabia before him. Al-Waleed is the chairman of Kingdom Holding Company (KHC), which is a partner in the Jeddah Economic Company (JEC), which was formed in 2009 for the development of Jeddah Tower and City.

Source: Wikipedia

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Guangzhou International Finance Center or Guangzhou West Tower, is a 103-story, 438.6 m (1,439 Feet ) skyscraper at Zhujiang Avenue West in the Tianhe District of Guangzhou, Guangdong.

One half of the Guangzhou Twin Towers, it's the 23rd tallest building in the world, completed in 2010. As of March 2018, it's the world's tallest building with a roof-top helipad, at 439 m (1,439 feet) high. The world's second-tallest building with a roof-top helipad was also completed in 2010: Beijing's China World Trade Center Tower III, whose roof-top helipad is 330 m (1,083 feet) high. Both buildings are taller than the U.S. Bank Tower, the previous record-holder from 1989 to 2010, whose roof-top helipad is simply 310.3 m (1,018 feet) high. Construction of the building, designed by WilkinsonEyre, broke ground in December 2005, and has been completed in 2010. The building is used as a conference centre, hotel and office building. Floors 1 through 66 are used as offices, flooring 67 and 68 are for mechanical equipment, flooring 69 to 98 possess a Four Seasons Hotel with the reception being on the 70th floor, and flooring 99 and 100 are used as an observation deck. The building was previously called Guangzhou West Tower and had a related project, the projected Guangzhou East Tower, which, at 475 m (1,558 ft), could have been even taller, though that project has been awarded to another design by Kohn Pedersen Fox, the 530 m (1,740 ft) Guangzhou CTF Finance Center.The building was the winner of the RIBA 2012 Lubetkin Prize.

Source: Wikipedia