Fabulous Sand Dunes in Hadhramaut ,Yemen
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