Saturday 25 October 2014

Tower bays reopen after cracks

Published 30/05/2014 | 15:37

Glaziers replace a layer of protective coating over the glass surface on the floor of a transparent ledge that juts out from Chicago's Willis Tower (AP Photo/M. Spencer Green)

Observation ledges at Chicago's Willis Tower have reopened after the towering glass bays were closed for inspection when they appeared to crack beneath visitors' feet.

The Willis Tower temporarily limited access to the bays, known as The Ledge, on Thursday for routine inspection. The rest of the Skydeck on the 103rd floor of the building, formerly known as the Sears Tower, remained opened.

The glass itself didn't crack on Wednesday night and officials say visitors were never in danger. Instead, a protective coating covering the glass produced the spider web of cracks.

A spokesman said all four bays are open.

The ledges first opened in 2009 and attract visitors in part because walking onto them allows the disconcerting feeling of stepping onto air, hundreds of feet above ground.

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