Pearl River Tower is a 71-storey, 309.7 m (1,016 ft), clean technology skyscraper at the junction of Jinsui Road/Zhujiang Avenue West, Tianhe District, Guangzhou, China. The tower's architecture and engineering were performed by Skidmore, Owings, and Merrill with Adrian D. Smith and Gordon Gill (now at their own firm, AS+GG) as architects. Ground broke on the tower on the 8th of September 2006 and construction was completed in March 2011. It is intended for office use and will be partially occupied by the China National Tobacco Corporation.[Source]