arch arching architectural architecture brick-walls bricks brickwork colors colours formation heritage historic Historic site kiln kilns light lime-kilns park patched patchwork repairs rock rock-work rocks rubble ruins shadows stone stone-wall stone-work stones structure sunlight surfaced surfaces surfacing texture textured textures variations varied wall walls angles appearances box-like buildings business-district city city-scapes city-views color colour contemporary contrast contrasting curve curved distance distant elements exterior external glass gray grey heights high high-rise Hong Kong linear lines modern office buildings perspectives rectangles rectangular skyscrapers views wealth windows angry apocalyptic approaching storm Australia black bright brilliant cloud clouds colorful colourful dark darkening disturbing dramatic dusk evening fiery flaming gold foreboding frightening glory gold golden lighting molten skies moody setting sun shining silhouette silhouettes skies sky southern spreading storm storm clouds stormy sun sunset