Zifeng Tower (Greenland Center-Zifeng Tower or Greenland Square Zifeng Tower, previously Nanjing Greenland Financial Center) is a 450-meter (1,480 feet ) supertall skyscraper (special class of skyscraper) in Nanjing, Jiangsu. The 89-story building finished in 2010 includes office and retail space up to floor 41. Floors 49-71 feature a hotel, a lot of restaurants, and a public observatory on the 72 floor. The tower's stepping is practical, helping to separate those sections.
The Shard, also referred to as the Shard of Glass, Shard London Bridge and Previously London Bridge Tower, is a 95-storey skyscraper, designed by the Italian architect Renzo Piano, in Southwark, London, that forms a Part of the Shard Quarter development.Standing 309.6 metres (1,016 feet) high, the Shard is the tallest building in the United Kingdom, and the sixth-tallest construction in Europe. It is also the second-tallest free-standing structure in the United Kingdom, after the concrete tower of the Emley Moor transmitting station. It replaced Southwark Towers, a 24-storey office block constructed on the website in 1975. The Shard's construction began in March 2009; it was topped out on 30 March 2012 and inaugurated on 5 July 2012. Practical completion was achieved in November 2012. The tower's privately operated observation deck, The View from The Shard, was opened to the general public on 1 February 2013. The glass-clad pyramidal tower includes 72 habitable floors, with a viewing gallery and open observation deck on the 72nd floor, at a height of 244 metres (801 ft). The Shard was developed by Sellar Property Group on behalf of LBQ Ltd and is collectively owned by Sellar Property (5%) and the State of Qatar (95%). The Shard is managed by Real Estate Management (UK) Limited on behalf of the owners. Source: Wikipedia
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