An aerial view shows cross-country skiers climbing a hill during the Engadin Ski Marathon near the Swiss mountain resort of St. Moritz March 11, 2012. More than 11,000 skiers participated in the 42.2 km (26.2 miles) race between Maloja and S-chanf near the Swiss mountain resort of St. Moritz. [Photo/Agencies]
An aerial view shows cross-country skiers climbing a hill during the Engadin Ski Marathon near the Swiss mountain resort of St. Moritz March 11, 2012. [Photo/Agencies]