Clouds over Vastitas Borealis (Enhanced Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunar Explorer Italia)

Caption NASA:"Dust Clouds often can obscure the Surface of Mars. When an image captures the edge of a Dust Storm Front, the loss of surface information is more than compensated for by the information that can be gleaned from analysis of the image.
As Dust Storm formation and location are unpredictable, any images of such features are priceless".

Coord.: 66,2° North. Lat. and 248,7° East Long.