its either on a slip face, crest, windward slope, or any area of a dune
I would say that it probably depends on the size of the dune. It would take longer to walk across a high dune than it would to cross a low dune.
windy
depostion by water
That would be sand dunes
The steep face of a mobile sand dune is in the lee of the prevailing wind. Therefore, to climb the steep face you would be going against the prevailing wind.
Cerro Blanco it is the largest sand dune in the world but Cerro means "mountain" so i would say that you should use The Great Dune Of Phyla which is the tallest dune in Europe.
Mountains would cause orographic lifting.
It's most likely a dune.
Dune - Dune album - was created in 1995.
A desert dune is a dune formed in a desert
the dune will move toward it
The Dune website shows the most expensive pair of brown boots that they have as being ´£175. However, this cost is likely to depend on sales and availability.