Francisco Marquez / Juvenile Lammergeier (Gypaetus barbatus) feeding on a bone in snow, Ordesa y Monte Perdido National Park, Spain, April.

Francisco Marquez / Common crane (Grus grus) in a blizzard, Gallocanta Lake, Aragon, Spain, February.

Andres M. Dominguez / Bare trees and conifers in woodland, Ordesa y Monte Perdido National Park, Huesca, Spain, October.

Inaki Relanzon / Ruined church of Saint Vincente, Finestres, Montsec de l'Estall, Aragon, Spain. December 2012.

Juan Carlos Munoz / Aerial view of patterns created by agricultural work on land, Los Monegros, Zaragoza Province, Aragon, Spain, July 2011

Juan Carlos Munoz / Aerial view of patterns created by agricultural work on land, Los Monegros, Zaragoza Province, Aragon, Spain, July 2011

Inaki Relanzon / Blue ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Inaki Relanzon / A snowy mountain peak lit by low crepuscular light before sunset. Ordesa National Park, Pyrenees, Aragon, Spain, February 2009.

Inaki Relanzon / Bearded vulture (Gypaetus barbatus) in flight against snowy mountains. Ordesa National Park, Aragon, Spain, November 2010.

Inaki Relanzon / Ibon del Acherito, (Acherito Lake), surrounded by mountain peaks. Anso Valley, Pyrenees, Aragon, Spain, July 2007.

Inaki Relanzon / The Tres Marias mountains in the Ordesa National Park, Pyrenees, Aragon, Spain. October 2009

Inaki Relanzon / Domestic sheep, horses, shepherd hut and enclosure in the mountain, Ordesa National Park, Pyrenees, Aragon, Spain. October 2009