Jack Dykinga / Douglas firs (Pseudotsuga menziesii) in 'Wall Street' Canyon. Bryce Canyon National Park, Utah, USA, October.
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Juan Carlos Munoz / Eroded sandstone patterns on walls of Lower Canyon, Antelope Canyon, Page, Arizona, USA, February 2015.
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Jack Dykinga / Cottonwood (Populus fremontii) in autumn, Long Canyon, Grand Staircase-Escalante National Monument, Utah, USA. October 2013.
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Hougaard Malan / Stormy weather over Blyde River Canyon, Mpumalanga, South Africa. January 2011.
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Floris van Breugel / Zebra Slot Canyon, Escalante National Monument, Utah, USA, November 2010.
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Dong Lei / Mountains in Yarlung Zangbo Grand Canyon National Park, Nyingchi Prefecture, Qinghai Tibetan Plateau, Tibet, China, October 2010.
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Jouan Rius / Antelope Canyon, a slot canyon with eroded sandstone patterns, Navajo Tribal Park, Arizona, USA, December 2012.
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Alex Mustard,Alex Mustard / Pair of divers floating in Silfra Canyon, a deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates) at Thingvellir National Park, Iceland. May 2011. I...
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Alex Mustard / The narrow Nes Canyon, a fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates in northern Iceland. May 2011.
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Alex Mustard / RF- View through narrow Nes Canyon, near Husavik, north west Iceland. May 2011. Formed by a fault in Iceland's volcanic landscape filled with glacial spring water. (This image may be licensed either...
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Alex Mustard,Alex Mustard / A view down Nikulasargj Canyon, deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates at Thingvellir National Park, Iceland. May 2011. In this photo t...
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Jouan & Rius,Jouan Rius / Red Cliffs in Zion Canyon during winter, Zion National Park, Utah, USA December 2012
