The arid Arabian Peninsula is displayed in this space photograph. It is an area of interest because of the evaporite component within the carbonate sediments in the Red Sea and Persian Gulf and for the reefs in the Red Sea. Photograph by MODIS Land Rapid Response System, NASA Goddard Space Center. (http://rapidfire.sci.gsfc.nasa.gov/gallery/). Photograph ID = A2003040.0940.250m.