china_changsha_building_15_days.jpg
china_changsha_building_15_days.jpg
This photo taken on December 26, 2011 shows a 30-story hotel building of China's Board Group under constrcution near the Dongting lake in Changsha, in central China's Hunan province. Broad Sustainable Building, the same company behind the plans for Sky City, took only 15 days to complete the hotel's construction.