A signboard is on display in a watermelon field on the land where the world's tallest building, Sky City or Sky City One, was scheduled to be built, in Changsha city, Central China's Hunan province, July 1, 2014. According to the plan, the skyscraper's 202 stories will have a hotel accommodating 1,000 guests, a hospital, five schools, and offices. Of the total space available, nearly 83 percent will be for residential purposes, housing up to 17,000 people. Another 5 percent will be for the hotel housing 1,000, while 3 percent each will be dedicated to schools, hospitals, offices and shops. [Photo / IC]