http://ec.europa.eu/research/research-eu/sat/expo_fr.html
It looks like an abstact painting; it is actually a satellite picture ( MOMS-700km ) used by geologists to detect water in arid zones, here , the “wadis” (ancient rivers covered by sand ) of Saudi Arabia . The reddish-orange surface is a dune landscape; on the right, in blue, is a mountain range with naked rocks . The article shows about 30 other beautiful pictures ” where earth is art”; an english version is available ( top right ).
