Stock photography, photos: Clouds at Dusk Stock photos of Clouds at sunset Photograph: © Pedro Luz Cunha Click for a larger image and more information Keywords associated with this stock photo: CLOU000046,clouds, sky, yellow, cumulus, nimbus, nimborum,white, blue, nature, storm,Cumulonimbus, calvus, praecipitatio,nimborum,storm, weather, climate, background,horizontal