Zifeng Tower China

The 450m building was designed by Skidmore Owings & Merrill and completed in 2010.Zifeng Tower (a.k.a. Greenland Center Zifeng Tower or Greenland Square Zifeng Tower, formerly Nanjing Greenland Financial Center)is a 450 metre (1,480 ft) skyscraper completed in 2010 in Nanjing, China. The 89 story building comprises retail and office space in the lower section, and restaurants, a hotel, and a public observatory near the top. The towers stepping is functional, helping separate these sections.