Zifeng Toweris a 450-metre (1,480 ft) supertall skyscraper in Nanjing, Jiangsu province, China. The 89-storey building completed in 2010 comprises retail and office space in the lower section. The floors near the top feature a hotel, numerous restaurants, and a public observatory. The tower’s stepping is functional, helping separate these sections. The building is currently the tallest in Nanjing and Jiangsu province, the sixth tallest in China and the 13th tallest in the world.