Architects propose surrounding world's tallest building with a giant ring

In Dubai, experimental architecture firm ZNera Space has proposed a conceptual design featuring a massive five-story circular structure wrapped around the world's tallest skyscraper, the Burj Khalifa -- which towers at a staggering 829.8 meters (2,723 feet), almost double the height of the Empire State Building.
http://dlvr.it/SYJ3sn