Site | https://www.doodlandofficial.com Sky City | https://www.skycity.com.cn Sky City (J310) was a planned 838-meter (2,749 ft) megatall skyscraper in Changsha, Hunan, China, intended to surpass the Burj Khalifa by 10 meters. Proposed by Broad Sustainable Building (BSB), the project aimed to construct a 220-story self-contained vertical city using rapid prefabricated modular construction techniques.
