Step Into the Void Above the French Alps

High up in the French Alps, on the top terrace of the Aiguille du Midi mountain peak, sits a new five-sided glass structure called the Chamonix Skywalk. The installation was inspired by the Grand Canyon's glass skywalk, but it takes the concept to the next level. Instead of looking out over a railing, visitors can hover 1,035 meters (3,396 feet) above the valley in an enclosed transparent box, surrounded on all sides by custom-made 12 mm (1/2 inch) glass. The skywalk will open to the public on December 21, 2013.

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