Just look at how children stand on “The Ledge” a five-sided glass box 1,353 feet (412 meters) above the street in Chicago which is part of Skydeck Chicago located on the 103rd floor of the Sears Tower. I would be scared
But I thought it might be great and unforgettable experience for these kids which get staying so and watching the city like from a cloud.

photo Reuters
The official open to the public is today! If I were in Chicago I would run there headlong right away.