![Tourists in glass balcony skydeck observation deck view Chicago skyline103rd floor of the Willis Tower Sears Tower Stock Photo - Alamy Tourists in glass balcony skydeck observation deck view Chicago skyline103rd floor of the Willis Tower Sears Tower Stock Photo - Alamy](https://c8.alamy.com/comp/BT60G0/tourists-in-glass-balcony-skydeck-observation-deck-view-chicago-skyline103rd-BT60G0.jpg)
Tourists in glass balcony skydeck observation deck view Chicago skyline103rd floor of the Willis Tower Sears Tower Stock Photo - Alamy
![Observation ledges at Chicago's Willis Tower have reopened - following cracked glass saga - Independent.ie Observation ledges at Chicago's Willis Tower have reopened - following cracked glass saga - Independent.ie](https://www.independent.ie/incoming/d9659/30318185.ece/AUTOCROP/w620/chic1.jpg)
Observation ledges at Chicago's Willis Tower have reopened - following cracked glass saga - Independent.ie
![Chicago skyscraper's viewing deck cracks under tourists' feet – 1,353ft up | Architecture | The Guardian Chicago skyscraper's viewing deck cracks under tourists' feet – 1,353ft up | Architecture | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2014/5/29/1401381659661/ca2887ac-bcb9-4fcd-b532-0e738fbf8464-2060x1236.jpeg?width=465&quality=45&auto=format&fit=max&dpr=2&s=16821946120cc0af88493d1217d5d04c)
Chicago skyscraper's viewing deck cracks under tourists' feet – 1,353ft up | Architecture | The Guardian
Tourist attraction The Ledge at Willis Tower reopens after protective coating cracks 103 floors up - Chicago Tribune
![Tourists in glass balcony skydeck observation deck view Chicago skyline103rd floor of the Willis Tower Sears Tower Stock Photo - Alamy Tourists in glass balcony skydeck observation deck view Chicago skyline103rd floor of the Willis Tower Sears Tower Stock Photo - Alamy](https://c8.alamy.com/comp/BT60AX/tourists-in-glass-balcony-skydeck-observation-deck-view-chicago-skyline103rd-BT60AX.jpg)