arrows blank direction guide guidepost information marker road sign signboard arrow LA Louvière rotten rusty traffic trafic way city direct directions graphic grid honeycomb inform orange point reflect reflective warn abstract ball blue christmas christmastree circle green red round tree down forward left mandatory plate right signs srtraight street transport UP arrow-shaped background blended bright coloration colored colorful colors coloured colourful colours decoration decorative design details interconnected interlinked light lighting linear lined lines multicolored multicoloured patterned patterns perspectives rolls shape shaped style surface surfaces texture textured textures thick thin tubes tubular vibrant wallpaper weave woven bio biology ecology nature pictogram recycling safety save symbol