abstract appearance architectural architecture background basic brick-wall bricks color colored colors colour coloured colours exterior external fence rough smooth solid standard strength surface surfaces texture textured textures uneven variation varied various wall wallpaper alert appropriate behavior appropriate behaviour black care concern danger dangerous denied directions law legalities not allowed not permitted permission denied prohibited prohibition protect protection red rules safety sign signs vehicle warning warning sign white Australian blue emblem emblematic fabric flag flapole flapping fluttering flying historic material movement national Patriotic patriotism roads shadows Southern-Cross stars street suburban suburbs sunlight sunshine symbol symbolic textile trees views bare bark cambodian close-up cracked dry edge edges lines mottled pitted shapes tree tree-trunk trunk variations wood