use. https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue English Ueli Steck - Les Drus North Couloir Direct...
Attribution 3.0 truetrue English Ueli Steck, Mathieu Maynadier and Jérôme Para on "Les Drus - North Couloir Direct" (VI, Al 6+, M8, 800m), Chamonix,...