alps

A parachute glides down the Brevent mountain giving a view of the Mont-Blanc mountain, in the French Alps.

Philippe Desmazes/AFP

A parachute glides down between the Brevent mountain and Mont-Blanc mountain range in the French Alps on Wednesday

Fog rises from the valley and the church...Fog rises from the valley and the church of Marktoberdorf, southern Germany, as in background can be seen an Alps panorama on January 19, 2014.       AFP PHOTO / DPA / KARL-JOSEF HILDENBRAND / GERMANY OUTKARL-JOSEF HILDENBRAND/AFP/Getty Images

Josef Hildenbrand/AFP

Fog rises from the valley around the church of Marktoberdorf, southern Germany.

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.

Team Cannondale leads the chase of the first pack for their sprinter Peter Sagan of Slovakia, last in line in the best sprinter's green jersey, during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France, Friday July 5, 2013. Center is Daryl Impey of South Africa, wearing the overall leader's yellow jersey.

Christophe Ena/AP

Team Cannondale leads the chase of the first pack for their sprinter Peter Sagan of Slovakia, last in line in the best sprinter’s green jersey, during the seventh stage of the Tour de France cycling race over 205.5 kilometers (128.5 miles) with start in Montpellier and finish in Albi, southern France. Centre is Daryl Impey of South Africa, wearing the overall leader’s yellow jersey.