Bertrand P: Ecureuil, Civic Center Park, Denver
Bertrand P: Au sommet de High Dune, Great Sand Dunes, Colorado
Bertrand P: Lumière dans Upper Antelope Canyon, Arizona
Bertrand P: Gorge d'Upper Antelope Canyon, Arizona
Bertrand P: Coucher de soleil sur Delicate Arch, Utah
Bertrand P: Double O Arch, Arches National Park, Utah
Bertrand P: Black Canyon of the Gunnison, Colorado
Bertrand P: Paysage du Great Sand Dunes National Park, Colorado
Bertrand P: Rainbow Bridge National Monument, Utah
Bertrand P: Lézard, Arches National Park, Utah
Bertrand P: Coucher de soleil dans Arches National Park, Utah
Bertrand P: Coucher de soleil sur les Fisher Towers, près de Moab, Utah
Bertrand P: Fleurs sauvages, Fisher Towers, Utah
Bertrand P: Dans les dunes, Great Sand Dunes National Park, Colorado
Bertrand P: Moraine Park, Rocky Mountain National Park, Colorado
Bertrand P: Couleurs du soir à Arches National Park, Utah
Bertrand P: Bright Angel Point, Grand Canyon National Park, Arizona
Bertrand P: The Mittens & Merrick Butte, Monument Valley, Utah
Bertrand P: Left Mitten, Monument Valley, Utah
Bertrand P: Western Scrub Jay, Garden of the Gods, Colorado
Bertrand P: Female Wapiti, Rocky Mountain National Park, Colorado
Bertrand P: Delicate Arch, Arches National Park, Utah
Bertrand P: Black Canyon of the Gunnison, Colorado