across the river background buildings business district city city central cityscape culture late afternoon light lighting modern Perth river river views riverside sailing setting sun shadow shadows skyscrapers sunlight surfaces water water sport waterways bird perched perching seagull silhouette street light windows angry apocalyptic approaching storm black blue bright brilliant cloud clouds colorful colourful contrast contrasting dark darkening disturbing dramatic dusk evening fiery flaming gold foreboding frightening glory gold golden molten skies moody shining silhouettes skies sky southern spreading storm storm clouds stormy sun sunset Australia