above abstract angle angled angles appearance architectural architecture blue circle circles circular frame framed glass height high light linear lines round rounded shadows sky skylight skylight-window sunlight window window-frame windows bright brilliant cloud clouds colorful colourful contrast cross dark darkening dramatic dusk evening fiery flaming gold glory golden lighting moody setting sun shining silhouette silhouettes skies spreading sun sunset colored colors coloured colours conditions fine formations gray grey heavy movement perspectives shapes southern textures variations various cloud formations weather white