Glass, the street and 103 floors of nothing inbetween

You don't have to be afraid of heights per se to get a bit of a queezy feeling in the gut when looking at these images. It's pretty much a sheet of glass of about 5 cm thick that acts as a floor of these new set of balconies on the Sears' Tower (in Chicago). These balconies, collectively called "The Ledge" hang at about 500 metres height in the air. With the glazed walls, ceilings and floors, vistors claim that it's literally like standing on air.

The glass can apparently withhold 5.000 tons, but still I wouldn't stand on "The Ledge"...

I found this on designcrave.

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