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Coating on Willis Tower Skydeck cracks, but not the glass

Earlier today, NBC5 Chicago broke a story that the glass on the Willis Tower Skydeck Ledge shattered. A family from California was visiting the popular tourist site on the 103rd floor of the skyscraper, when they say they heard cracking beneath them. 

Needless to say, the story's become an internet sensation, so WBEZ's Lauren Chooljian has been trying to track down exactly what happened.

She sums up the situation in nine tweets:

The full Willis Tower statement can be found below.

05/29/14 11:17 AM : The Ledge was designed with a protective coating that completely covers all glass surfaces to protect against scratches. This coating does not affect the structural integrity of The Ledge in any way. Occasionally, the coating will crack, as it is designed to in order to protect the surface of the glass.

UPDATE: Skydeck Chicago is open today while the protective coating is being replaced. We have temporarily closed the four Ledge boxes for routine inspection we hope to reopen them shortly.

Lauren Chooljian is a WBEZ reporter. Follow her @laurenchooljian

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