Fabulous Sand Dunes in Hadhramaut ,Yemen

The sand dunes of Hadhramaut are unique and do not conform to any known dune forms of which there are several in being systematically distributed coloniesl. The small ones that are scattered around them are barchans but still the long 'tails' present for all of them in the leeward side are intriguing! 

Photo : © Cristina Rzepka

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