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Four men had a terrifying few moments when the glass floor they were standing on 103 stories above Chicago in the Willis Tower observation deck appeared to develop cracks. The men were standing in one ...

CHICAGO (AP) — A popular attraction at Chicago's tallest building was closed temporarily after minor cracking was found in the protective coating of its glass floor. The cracks were in the coating of ...

CHICAGO -- Video posted to social media showed cracks on the glass floor of the Ledge attraction at Willis Tower on Monday. The video was posted by a Skydeck visitor on Facebook. A spokesperson for ...

Just hours after a protective glass layer of the 103rd floor Willis Tower Skydeck in Chicago cracked, the tourist attraction is “open for business” again, media outlets reported. Newlyweds Jesus and ...

CHICAGO — The Chicago Stair climb returned to the city for its 15th year Sunday morning where thousands of people climb 105 floors of the Willis Tower. The Shirley Ryan AbilityLab is a non-profit ...