![File:Glass Balconies, Looking West from Willis Tower Skydeck, Chicago, Illinois (9179377925).jpg - Wikimedia Commons File:Glass Balconies, Looking West from Willis Tower Skydeck, Chicago, Illinois (9179377925).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Glass_Balconies%2C_Looking_West_from_Willis_Tower_Skydeck%2C_Chicago%2C_Illinois_%289179377925%29.jpg/1200px-Glass_Balconies%2C_Looking_West_from_Willis_Tower_Skydeck%2C_Chicago%2C_Illinois_%289179377925%29.jpg)
File:Glass Balconies, Looking West from Willis Tower Skydeck, Chicago, Illinois (9179377925).jpg - Wikimedia Commons
![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
![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)
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
![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
Tourist attraction The Ledge at Willis Tower reopens after protective coating cracks 103 floors up - Chicago Tribune
![Visitors' Worst Nightmare Comes True As The Glass Floor On 103rd Floor Shatters Under Their Feet | Bored Panda Visitors' Worst Nightmare Comes True As The Glass Floor On 103rd Floor Shatters Under Their Feet | Bored Panda](https://static.boredpanda.com/blog/wp-content/uploads/2019/06/glass-skydeck-breaks-cracks-chicago-4-5d01f61bcb474__700.jpg)