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Sears Tower Glass Observation Deck, 104 stories above Chicago--Oh, my! | Sears tower, Willis tower skydeck, Willis tower
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Visitors' Worst Nightmare Comes True As The Glass Floor On 103rd Floor Shatters Under Their Feet | Bored Panda
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Chicago skyscraper's viewing deck cracks under tourists' feet – 1,353ft up | Architecture | The Guardian
![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
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Tourists in the all glass balcony skydeck observation deck view the Chicago skyline103rd floor of..., Stock Photo, Picture And Rights Managed Image. Pic. YR6-1417877 | agefotostock
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