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 angled angles Australia bricks color colorful colour colourful craftsmanship decorative Designs detailed detailing distinctive fancy Federation Square footpath geometric geometric shapes ground heritage meeting area Melbourne pavement paving shaped stones stonework art burst design dez pain explode fan flare graphic green illustration lines multi orange pink radiate rainbow rays space-time continuum speed stripes texture time travel vortex xymonau yellow