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           Kelly snaps some photographs of the dunes. | 
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           The sand is pristine on this morning. | 
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           Kelly heads toward another marker. | 
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           The dunes seem endless. | 
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           A few plants manage to survive in the interdune areas. This is Sand Verbena, one of the hardiest wildflowers in the park. | 
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           Only a handful of creatures manage to survive in the dunes, and this is one of them, a darkling beetle. | 
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           Kelly keeps hiking across the dunes. | 
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           These striations in the sand are actually pretty hard. | 
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           Kelly climbs up a dune. | 
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           These appear to be beetle tracks. | 
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           Kelly searches about for the next marker. A wind that has picked up is already obliterating Kelly's tracks. | 
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           Here is another darkling beetle on the move. | 
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           Kelly finally reaches the Alkali Flat at the edge of the dunes. Note the buildings on the horizon. | 
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           The Alkali Flat was once covered by Lake Otero during the last Ice Age. | 
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           These are known as transverse-barchan dunes, crescent-shaped dunes that join together to form long ridges. | 
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           Kelly continues to follow markers on the return portion of the loop. | 
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           Here is another look back at the seemingly endless dunes. | 
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           Kelly returns to the trailhead. | 
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           This earless lizard is remarkably active as it scurries around and underneath the Interdune Boardwalk. | 
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            Total Distance:  8.7 kilometres  |