mauritania

Africa / Mauritania
Mauritania is bordered by the Atlantic Ocean in the west, by Western Sahara (controlled by Morocco) in the north, by Algeria in the northeast, by Mali in the east and southeast and by Senegal in the southwest.

Wikipedia
[|Mauritania] http://en.wikipedia.org/wiki/Richat_Structure

Elsewhere on the Web
Fondation Internationale du Banc d’Arguin