A glass floor is a transparent section of a floor, found most often in buildings (usually in the observation decks of towers) or boats in order to facilitate viewing directly beneath where one is standing.
Usually made of a reinforced glass, the most common use is as a tourist attraction. Glass-bottom boats are popular for allowing a better view into the water. Glass as a flooring material is used in both residential and commercial structures. Special hollow glass blocks known as glass pavers are often used in combination with a metal frame.
At 4000 feet (1219 m), the highest glass floor above ground is the novel outdoor application of the Grand Canyon Skywalk, operated by the Hualapai Indian tribe. The highest above ground level in a freestanding structure is in the CN Tower in Toronto, Ontario at 1122 feet (342 m).
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Famous quotes containing the word glass:
“Shall we with pains erect a heaven of blue glass over ourselves, though when it is done we shall be sure to gaze still at the true ethereal heaven far above, as if the former were not?”
—Henry David Thoreau (1817–1862)