Titanium La Portada vs Zifeng Tower

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Titanium La Portada is an office building in Santiago, Chile.

Located in the capital's high-end financial district of El Golf, it is the second tallest skyscraper in the country. Construction began in January 2007, and was finished in January 2010.



It was surpassed in height by the then unfinished Gran Torre Santiago in November 2010. It was officially inaugurated on May 3, 2010. The architects are Abraham Senerman and Andrés Weil.

Source: Wikipedia

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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 building is currently the tallest in Nanjing and Jiangsu province, the eleventh tallest in China and the twentieth tallest on earth. Architectural firm Skidmore, Owings and Merrill designed the building, headed by Adrian Smith. The Tower occupies an area of 18,721 square meters. The Nanjing Greenland InterContinental Hotel is located within the tower.

Source: Wikipedia