silvery shimmering clouds in blue sky by sunset light

abstract altocumulus atmosphere atmospheric background blue canopy cloud clouded clouds cloudscape cloudy colors cumulus darkening different dramatic dusk evening firmament formations forming glimmer heavens hour hovering illuminated landscape light meteorology mixture mystic natural nature overcast overclouded scene scenery shimmering skies sky skyscape skywards sunlight sunset texture twilight upwards variety vast weather intermittent partly sunny mood isolated patchy fluffy ripples silvery iridescent silver shimmer