A few months after that article was published, the scaffolding mentioned in the first paragraphs, custom-made (3 years to design and build) for the Hearst Tower

A few months after that article was published, the scaffolding mentioned in the first paragraphs, custom-made (3 years to design and build) for the Hearst Tower in New York, broke and the window cleaners had to be rescued: http://www.businessinsider.com/collapsed-scaffolding-at-top-of-heart-tower-2013-6 http://www.businessinsider.com/collapsed-scaffolding-at-top-...