chamonix

People visit the "Step into the Void" glass skywalk overlooking the French Alps on top of a 3842-metre peak in Chamonix on December 23, 2013. The installation, which opened to the public after three years of development, is made of three layers of glass and can withstand winds of up to 200kmph.

Jean-Pierre Clatot/AFP

People visit the Step into the Void glass skywalk overlooking the French Alps on top of a 3,842m peak in Chamonix on Monday. The installation, which opened to the public after three years of development, is made of three layers of glass and can withstand winds of up to 200kmph.