Floris van Breugel / A dark passageway of a narrow flooded slot canyon, Zion National Park, Utah, USA. November 2009.
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Jack Dykinga / Virgin river flowing through Zion Canyon Narrows, with reflections of afternoon sun, Zion National Park, Utah, USA
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Jack Dykinga / Scarlet monkey flowers {Mimulus cardinalis} and White firs {Abies concolor} at base of steep canyon walls, Fork North Creek, Zion National Park, Utah, USA
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Jack Dykinga / Virgin river flowing through Zion Canyon Narrows, with reflections of afternoon sun, Zion National Park, Utah, USA
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Floris van Breugel / Woman rappelling down one of the many technical sections of Boundary Canyon, Zion National Park, Utah, USA, June 2012. Model released
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Floris van Breugel / Canyon Tree Frogs (Hyla arenicolor) near pond along the lower reaches of Pine Creek, Zion National Park, Utah, USA, June
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Floris van Breugel / A woman canyoneer looking upwards in a chamber of light Pine Creek Canyon, Zion National Park, Utah, June 2012. Model released
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Juan Carlos Munoz / Red canyon cliffs of Zion NP with tree trunk in foreground, Utah, USA
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Juan Carlos Munoz / Trees growing at the foot of the Canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Red canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Tree growing from Canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Pine tree growing from Canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Red canyon cliffs of Zion NP, Utah, USA
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Tim Fitzharris / Virgin River flowing through canyon in autumn, Zion National Park, Utah
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Jack Dykinga / Ponderosa pines (Pinus ponderosa) and Big tooth maples (Acer grandidentatum) against the cliffs of a sandstone slot canyon in Zion National Park, Utah
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) juvenile wearing a radio transmitter sitting on rocky cliff in autumn, one of a few born in the wild in Grand Canyon near Zion National Park, Utah
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David Welling / Looking up at sandstone rock canyon formation, Zion National Park, Utah, USA
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Tim Fitzharris / Zion Canyon near Emerald Pools, Zion National Park, Utah
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Juan Carlos Munoz / Red canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Red canyon cliffs of Zion NP with tree trunk in foreground, Utah, USA
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Juan Carlos Munoz / Trees growing at the foot of the Canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Looking up through autumn foliage at the canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Looking up through autumn foliage at the canyon cliffs of Zion NP, Utah, USA
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Juan Carlos Munoz / Red canyon cliffs of Zion NP with tree trunk in foreground, Utah, USA
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Juan Carlos Munoz / Looking up through autumn foliage at the canyon cliffs of Zion NP, Utah, USA
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) juvenile wearing a radio transmitter sitting on rocky cliff in autumn, one of a few born in the wild in Grand Canyon near Zion National Park, Utah
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Yva Momatiuk & John Eastcott / California Condor (Gymnogyps californianus) radio tagged juvenile, born in the wild near the Grand Canyon, critically endangered, condors are the largest bird in North America with a 9 foot wingspan,...