abstract appearance autumn background blended blue cloud clouds colored colors coloured colours conditions fall fine formations light movement shapes skies sky southern spread spreading sun textures thin vaporish vapourish variations various-cloud-formations weather white wispy artificial attached brown bugs color coloration colour contrast decoration decorative distinctive exterior external garden garden-ornament joined linked ornament ornamental shape shaped surface surfacing weathered weathering winged wings angled angles Australia bricks colorful colourful craftsmanship Designs detailed detailing fancy Federation Square footpath geometric geometric shapes ground heritage meeting area Melbourne pavement paving stones stonework