apocalyptic appearance black cloud clouds color colorful colour colourful contrast contrasting dark dark clouds darkening darkness disturbing dramatic dusk evening foreboding formations frightening gray grey layers levels light lighting moody nature rays skies sky sunlight threatening wild blue countryside Devil's Dyke down England english exercise flowers footpath forest Great Britain green hills landscape meadow natural rural South Downs steep summer Sussex track trail travel trees walk woodland yellow acetate background border cameras celluloid dez pain edge film film strip footage frame frames gradient illustration imagine media movies pastel photography pink production ribbon shoot spring swirl tape texture vector video xymonau air atmosphere blue sky change cirro-stratus cirrus cloud formation creation desktop expanse firmament forecast global warming meteorology ozone ozone layer rain stratus wallpaper water weather whispy Australian bloom buds bush bush plant cap caps capsule colors colours conical crimson dry eucalypts evergreen flora native plant red seed pods stamen tipped tips unusual unusual shape angled angles bright changing dark-clouds distant sloping textures white angry brilliant fiery flaming gold glory golden molten skies setting sun shadows shining silhouette silhouettes spreading sun sunset beautiful beauty branches ecology environment eucalypt freshness gum tree health leaves love moisture outdoors peace pond pool reflection relaxation ripples river scenery serenity stream zen