The long-awaited vision for the 2.2-acre site along the Chicago River and Lake Michigan, unveiled in the first community meeting for the project, is toned down a bit from the 2,000-foot-tall Spire plan that stirred emotions but never advanced beyond a 76-foot-deep foundation hole. The design, by One World Trade Center architect David Childs, includes a south tower rising 1,100 feet and an 850-foot north tower. — Chicago Tribune

Have you ever realized that Hong Kong skyscrapers have holes in them? They're called dragon gates, and according to the Chinese principle feng shui these holes allow dragons to fly from the mountains to the water each day. It's believed that blocking the dragon's path could bring misfortune. Buildings with bad feng shui, such as the Bank of China Tower, have been blamed for surrounding companies going out of business. — Business Insider

It was supposed to be a strutting 150-story lakefront symbol of the city's virility — but eight years after construction of the Chicago Spire skyscraper ground to a halt, the gaping hole where it was to have stood has instead become an enduring reminder of the Great Recession.

So owner Related Midwest is now hiding the unsightly circular hole that would have formed the foundation of the world's second-tallest building behind a pile of dirt. — chicagotribune.com

Lucky coins, a Tetris stack and a ferris wheel 500m up in the air ... take a look at the buildings around the world with holes right through them. — theguardian.com