Chamonix, France
In this photo taken Dec. 17, 2013, a visitor stands in a glass cage named 'Pas dans le Vide' (Step into the Void) at the top of the Aiguille du Midi peak (3842-meters high), in the French Alps, during a press visit. Visitors can enjoy the view of Mont Blanc, Europe's highest mountain, from the platform. (Photo/Agencies)