The Great Sand Dunes National Park in Colorado is an amazing place - though very isolated! The colors and lighting change by the minute! People hike to the summit - best right after a rain when the sand is packed, otherwise 6-8" of loose sand.
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Note the single person walking on the dunes.
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Couple walking right after a rain shower.
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The woman wanted to REALLY show her 90 year old father the Sand Dunes!
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