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| Late Afternoon, Great Sand Dunes National Park, Colorado © Doug Hickok All Rights Reserved (Click on image for larger view) A break in cloud cover allows late afternoon sunlight to highlight the tallest sand dunes in North America. |
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| Late Afternoon, Great Sand Dunes National Park, Colorado © Doug Hickok All Rights Reserved (Click on image for larger view) A break in cloud cover allows late afternoon sunlight to highlight the tallest sand dunes in North America. |