The document discusses several innovative skyscrapers from around the world, including ones in Tianjin, China and Dubai. The skyscraper in Tianjin is nicknamed "the pile of boxes" and features three towers made of stacked and rotated blocks, with sky gardens and wind turbines. Dubai's Burj Khalifa is described as the tallest building in the world at 818 meters tall. A new rotating apartment tower is also planned for Dubai that will turn 360 degrees over a week using stored solar energy.