epa03199046 Competitors climb on their way to 'Col De Riedmatten' pass, during the Glacier Patrol race near Verbier, Switzerland, 28 April 2012. Reports state that The Patrouille des Glaciers (Glacier Patrol race) had to be stopped because of snow avalanche danger. The Glacier Patrol (Patrouille des Glaciers) organized by the Swiss Army sees highly-experienced hiker-skiers trek across the Haute Route along the Swiss-Italian border from Zermatt to Verbier. EPA/OLIVIER MAIRE