flic.kr/p/9yCSvT | Great Sand Dunes, CO | <b>Please view Large. Press L</b> This is another find while organizing my files. This picture was taken Summer 2010 at the tallest sand dunes in North America at Great Sand Dunes National Park. Hiking to the top was quite time consuming. Explore <b>Non-HDR image</b> <b><a href="http://bbsinghphotography.smugmug.com/Photography/Landscape/16312873_uWGPt#1226364529_XM4Gg" rel="nofollow">Better Version</a></b> <b><a href="http://twitter.com/#!/BB_Singh" rel="nofollow">Follow me on Twitter</a></b>