"A journalist, wearing slippers to protect the glass floor, stands in the ""Step into the Void"" installation during a press visit at the Aiguille du Midi mountain peak above Chamonix, in the French Alps, on December 17, 2013. The Chamonix Skywalk is a five-sided glass structure installed on the top terrace of the Aiguille du Midi (3842m), with a 1,000 meter drop below, where visitors can step out from the terrace, giving the visitors the impression of standing in the void. The glass room will open to the public on December 21, 2013. (Reuters/Robert Pratta)"
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