Prime Tower vs Guangzhou International Finance Center

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The Prime Tower, also called'Maag-Tower' in a previous stage of preparation, is a skyscraper in Zurich, Switzerland. At a height of 126 metres (413 feet ), it was the highest skyscraper in Switzerland from 2011 until 2015, when the Roche Tower at Basel (standing at 178 metres (584 feet )) was finished. The building is situated near the Hardbrücke railway station. The tower replaces an industrial facility that's been demolished. According to its developers, the tower's construction, which took 15 years to plan and execute, was a financial success, with its valuation based on rental rates exceeding the building cost by CHF 110 million.

The tower and its two companion buildings, Cubus and Diagonal, are used primarily as office buildings. Due to its opening in December 2011, the tower hosts the'Clouds' restaurant on its top floor, a conference center, the Hotel Rivington & Sons on the ground floor, in addition to the offices of Deutsche Bank Schweiz, Homburger AG, Transammonia, Korn/Ferry International, Citibank Switzerland, Infosys, Repower AG, Ernst & Young, Zürcher Kantonalbank and consulting firms.

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