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"  These ornate markings were created by dust devils--spinning columns of rising air--on the surface of Mars. The wind columns, which last just minutes, pick up the red dust on the surface and leave behind darker soil. The Mars Reconnaissance Orbiter captured this image with the HiRISE camera. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/space/moon-mars/a4756/4335010/>