abstract appearance Australian background bare bark brown colors colours cracked cracks dry edge edges eucalypt eucalypts gray grey grooves layers lines mottled peeling rough self-shedding shadows shapes shedding smooth sunlight surface texture textured textures tree tree trunk trunk uneven variations wallpaper wood autumn buildings city close dark daylight distant fall far fields flora foliage greenery Haze hazy homes houses lamp-posts light lighting metropolitan nearby outer-suburbs panorama panoramic perpective plants roofs rooves shrubbery street lights street-scenes streets suburban suburbs trees urban views